Simplifying
15x + 3 = 7x + -13
Reorder the terms:
3 + 15x = 7x + -13
Reorder the terms:
3 + 15x = -13 + 7x
Solving
3 + 15x = -13 + 7x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-7x' to each side of the equation.
3 + 15x + -7x = -13 + 7x + -7x
Combine like terms: 15x + -7x = 8x
3 + 8x = -13 + 7x + -7x
Combine like terms: 7x + -7x = 0
3 + 8x = -13 + 0
3 + 8x = -13
Add '-3' to each side of the equation.
3 + -3 + 8x = -13 + -3
Combine like terms: 3 + -3 = 0
0 + 8x = -13 + -3
8x = -13 + -3
Combine like terms: -13 + -3 = -16
8x = -16
Divide each side by '8'.
x = -2
Simplifying
x = -2
