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Find the value of x when: (x - 5)/(x + 8) = 2/7 *

Find the value of x when: (x - 5)/(x + 8) = 2/7 *-example-1
User Jianhong
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1 Answer

10 votes
10 votes

Simplify the expression for x.


\begin{gathered} (x-5)/(x+8)=(2)/(7) \\ 7(x-5)=2(x+8) \\ 7x-35=2x+16 \\ 7x-2x=16+35 \\ 5x=51 \\ x=(51)/(5) \\ =10.2 \end{gathered}

So answer is 10.2.

Option B is correct.

User Justin Thompson
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2.8k points