Question

How do i solve 9 - 2x = 15 *EXTRA POINTS

Answer 1

Answer:

$x=-3$

Step-by-step explanation:

$9-2x=15$

Subtract 9 from both sides:

$9-2x-9=15-9$

$-2x=6$

Divide both sides by -2:

$\frac{-2x}{-2}=\frac{6}{-2}$

$x=-3$

Answer 2

Answer:

You can simplify first

Step-by-step explanation:

9 - 2 = 7    7x = 15 so  15 / 7 = 2.14285714286  so x = 2.14285714286