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17 December, 22:28

1.2x+3.7=2.2x - 4.5 what does x=

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  1. 17 December, 23:17
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    Simplifying

    1.2x + 3.7 = 2.2x + - 4.5

    Reorder the terms:

    3.7 + 1.2x = 2.2x + - 4.5

    Reorder the terms:

    3.7 + 1.2x = - 4.5 + 2.2x

    Solving

    3.7 + 1.2x = - 4.5 + 2.2x

    Solving for variable 'x'.

    Move all terms containing x to the left, all other terms to the right.

    Add '-2.2x' to each side of the equation.

    3.7 + 1.2x + - 2.2x = - 4.5 + 2.2x + - 2.2x

    Combine like terms: 1.2x + - 2.2x = - 1x

    3.7 + - 1x = - 4.5 + 2.2x + - 2.2x

    Combine like terms: 2.2x + - 2.2x = 0.0

    3.7 + - 1x = - 4.5 + 0.0

    3.7 + - 1x = - 4.5

    Add '-3.7' to each side of the equation.

    3.7 + - 3.7 + - 1x = - 4.5 + - 3.7

    Combine like terms: 3.7 + - 3.7 = 0.0

    0.0 + - 1x = - 4.5 + - 3.7

    -1x = - 4.5 + - 3.7

    Combine like terms: - 4.5 + - 3.7 = - 8.2

    -1x = - 8.2

    Divide each side by '-1'.

    x = 8.2

    Simplifying

    x = 8.2
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