Question

-6x + 9 = -8x +25

Explanation:

Step1: Add $8x$ to both sides

$-6x + 8x + 9 = -8x + 8x + 25$
$2x + 9 = 25$

Step2: Subtract 9 from both sides

$2x + 9 - 9 = 25 - 9$
$2x = 16$

Step3: Divide by 2 on both sides

$\frac{2x}{2} = \frac{16}{2}$
$x = 8$

Answer:

$x=8$