Question

solve for x: 3x + 5 = 5x - 9

Explanation:

Step1: Subtract $3x$ from both sides

$3x + 5 - 3x = 5x - 9 - 3x$
$5 = 2x - 9$

Step2: Add 9 to both sides

$5 + 9 = 2x - 9 + 9$
$14 = 2x$

Step3: Divide by 2 on both sides

$\frac{14}{2} = \frac{2x}{2}$
$7 = x$

Answer:

$x=7$