Solve the proportion.
-$\frac { x + 6 } { 5 } = \frac { x + 8 } { 7 }$
A) $- 2$
B) $- 1$
C) 1
D) 2

Name: Solve the proportion. -$\frac { x + 6 } { 5 } = \frac { x + 8 } { 7 }$ A) $- 2$ B) $- 1$ C) 1 D) 2
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Question

Quizplus · Accepted Answer

To solve the proportion $\frac{x + 6}{5} = \frac{x + 8}{7}$, cross-multiply to get $7(x + 6) = 5(x + 8)$. Simplifying, $7x + 42 = 5x + 40$. Subtracting $5x$ and $42$ from both sides gives $2x = -2$, so $x = -1$.

Solve the Proportion x+65=x+87\frac { x + 6 } { 5 } = \frac { x + 8 } { 7 }5x+6​=7x+8​

Solve the Proportion $\frac { x + 6 } { 5 } = \frac { x + 8 } { 7 }$