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18 February, 17:25

Solve the following:

A) 4x-1/2=x+7

B) 3x+2=2x+13/3

C) 2x-7/4=3+x/3

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Answers (1)
  1. 18 February, 17:32
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    a. 2.5

    b. 2.333

    c. 2.85

    Step-by-step explanation:

    A) 1. subtract - x on both sides 2. to get 3x-1/2=7

    3. Add 1/2 on both sides 4. to get 3x=7.5

    5. divide 3 on both sides 6. To get ... x=2.5

    B) 1. Same process. 2. x+2=13/3

    3. x=13/3-2 4. x = 2.33 (repeating)

    C) 1. same process. 2. 2x-x/3=3+7/4

    3. 2x-x/3=4.75 4. Isolate - x/3

    5.-x/3=4.75-2x 6. multiply both sides by 3

    7. - x=14.25-6x 8. 5x=14.25

    9. x = 2.85

    * remember to distribute the 3 to each variable.
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