If 5x-7=13x+17, what is 6(x-4)?

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If 5x-7=13x+17, what is 6(x-4)?

Guest May 3, 2015

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Best Answer

+130516

+5

5x-7=13x+17 subtract 5x, 17 from both sides

-24 = 8x divide by 8 on both sides

-3 = x

So ... 6(x - 4) = 6(-3 - 4) = 6 (-7) = -42

CPhill May 3, 2015

1⁺⁰ Answers

+130516

+5

Best Answer

5x-7=13x+17 subtract 5x, 17 from both sides

-24 = 8x divide by 8 on both sides

-3 = x

So ... 6(x - 4) = 6(-3 - 4) = 6 (-7) = -42

CPhill May 3, 2015

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