-3g-6+2g=15

Solution for -3g-6+2g=15 equation:

Simplifying
-3g + -6 + 2g = 15

Reorder the terms:
-6 + -3g + 2g = 15

Combine like terms: -3g + 2g = -1g
-6 + -1g = 15

Solving
-6 + -1g = 15

Solving for variable 'g'.

Move all terms containing g to the left, all other terms to the right.

Add '6' to each side of the equation.
-6 + 6 + -1g = 15 + 6

Combine like terms: -6 + 6 = 0
0 + -1g = 15 + 6
-1g = 15 + 6

Combine like terms: 15 + 6 = 21
-1g = 21

Divide each side by '-1'.
g = -21

Simplifying
g = -21