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2 November, 20:16

What is the value of a in the equation, 7 (4-a) = 3 (a-4)

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  1. 2 November, 22:58
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    Let's solve your equation step-by-step.

    7 (4-a) = 3 (a-4)

    Step 1: Simplify both sides of the equation.

    7 (4-a) = 3 (a-4)

    Simplify:

    - 7a + 28 = 3a - 12

    Step 2: Subtract 3a from both sides.

    - 7a + 28 - 3a = 3a - 12 - 3a

    - 10a + 28 = - 12

    Step 3: Subtract 28 from both sides.

    - 10a + 28 - 28 = - 12 - 28

    - 10a = - 40

    Step 4: Divide both sides by - 10.

    - 10a / - 10 = - 40 / - 10

    a=4

    Answer:

    a = 4
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