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28 June, 15:43

Solve for x. - 12 = - 3/4 x

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Answers (2)
  1. 28 June, 17:06
    0
    Answer: 12

    x

    +

    3

    4

    =

    3

    2

    12

    x

    +

    3

    4

    =

    3

    2

    Move

    3

    2

    3

    2

    to the left side of the equation by subtracting it from both sides.

    12

    x

    +

    3

    4

    -

    3

    2

    =

    0

    12

    x

    +

    3

    4

    -

    3

    2

    =

    0

    Simplify

    12

    x

    +

    3

    4

    -

    3

    2

    12

    x

    +

    3

    4

    -

    3

    2

    .

    Tap for more steps ...

    12

    x

    -

    3

    4

    =

    0

    12

    x

    -

    3

    4

    =

    0

    To write

    -

    3

    2

    -

    3

    2

    as a fraction with a common denominator, multiply by

    2

    2

    2

    2

    .

    12

    x

    +

    3

    4

    -

    3

    2

    ⋅

    2

    2

    =

    0

    12

    x

    +

    3

    4

    -

    3

    2

    ⋅

    2

    2

    =

    0

    Write each expression with a common denominator of

    4

    4

    , by multiplying each by an appropriate factor of

    1

    1

    .

    Tap for more steps ...

    12

    x

    +

    3

    4

    -

    3

    ⋅

    2

    4

    =

    0

    12

    x

    +

    3

    4

    -

    3

    ⋅

    2

    4

    =

    0

    Combine the numerators over the common denominator.

    12

    x

    +

    3

    -

    3

    ⋅

    2

    4

    =

    0

    12

    x

    +

    3

    -

    3

    ⋅

    2

    4

    =

    0

    Simplify the numerator.

    Tap for more steps ...

    12

    x

    +

    -

    3

    4

    =

    0

    12

    x

    +

    -

    3

    4

    =

    0

    Move the negative in front of the fraction.

    12

    x

    -

    3

    4

    =

    0

    12

    x

    -

    3

    4

    =

    0

    To write

    12

    x

    12

    x

    as a fraction with a common denominator, multiply by

    4

    4

    4

    4

    .

    12

    x

    ⋅

    4

    4

    -

    3

    4

    =

    0

    12

    x

    ⋅

    4

    4

    -

    3

    4

    =

    0

    To write

    -

    3

    4

    -

    3

    4

    as a fraction with a common denominator, multiply by

    x

    x

    x

    x

    .

    12

    x

    ⋅

    4

    4

    -

    3

    4

    ⋅

    x

    x

    =

    0

    12

    x

    ⋅

    4

    4

    -

    3

    4

    ⋅

    x

    x

    =

    0

    Write each expression with a common denominator of

    x

    ⋅

    4

    x

    ⋅

    4

    , by multiplying each by an appropriate factor of

    1

    1

    .

    Tap for more steps ...

    12

    ⋅

    4

    4

    x

    -

    3

    x

    4

    x

    =

    0

    12

    ⋅

    4

    4

    x

    -

    3

    x

    4

    x

    =

    0

    Combine the numerators over the common denominator.

    12

    ⋅

    4

    -

    3

    x

    4

    x

    =

    0

    12

    ⋅

    4

    -

    3

    x

    4

    x

    =

    0

    Simplify the numerator.

    Tap for more steps ...

    3

    (

    16

    -

    x

    )

    4

    x

    =

    0

    3

    (

    16

    -

    x

    )

    4

    x

    =

    0

    Find the LCD of the terms in the equation.

    Tap for more steps ...

    4

    x

    4

    x

    Multiply each term by

    4

    x

    4

    x

    and simplify.

    Tap for more steps ...

    48

    -

    3

    x

    =

    0

    48

    -

    3

    x

    =

    0

    Solve the equation.

    Tap for more steps ...

    x

    =

    16

    x

    =

    16
  2. 28 June, 19:29
    0
    16

    Step-by-step explanation:

    -12 = - 3/4 x

    divide both sides by - 3/4

    16 = x
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