Question

What is 3x+15-9=2(x+2) ?

Answer 1

SOLVING:

3X + 15 - 9 = 2(X + 2)
3X + 6 = 2X + 4
3X - 2X = 4 - 6
X = - 2  ===> The great answer.

TESTING:
$3(-2)+15-9=2(-2+2)\\ \\-6+6=2(0)\\ \\\boxed{0}=\boxed{0}\quad\checkmark\ Correct.$
GOOD LUCK...!!