-9r+3+7r=-2(r+6)+15

Solution for -9r+3+7r=-2(r+6)+15 equation:

Simplifying
-9r + 3 + 7r = -2(r + 6) + 15

Reorder the terms:
3 + -9r + 7r = -2(r + 6) + 15

Combine like terms: -9r + 7r = -2r
3 + -2r = -2(r + 6) + 15

Reorder the terms:
3 + -2r = -2(6 + r) + 15
3 + -2r = (6 * -2 + r * -2) + 15
3 + -2r = (-12 + -2r) + 15

Reorder the terms:
3 + -2r = -12 + 15 + -2r

Combine like terms: -12 + 15 = 3
3 + -2r = 3 + -2r

Add '-3' to each side of the equation.
3 + -3 + -2r = 3 + -3 + -2r

Combine like terms: 3 + -3 = 0
0 + -2r = 3 + -3 + -2r
-2r = 3 + -3 + -2r

Combine like terms: 3 + -3 = 0
-2r = 0 + -2r
-2r = -2r

Add '2r' to each side of the equation.
-2r + 2r = -2r + 2r

Combine like terms: -2r + 2r = 0
0 = -2r + 2r

Combine like terms: -2r + 2r = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.