-105=-8x-7x

Solution for -105=-8x-7x equation:

Simplifying
-105 = -8x + -7x

Combine like terms: -8x + -7x = -15x
-105 = -15x

Solving
-105 = -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
-105 + 15x = -15x + 15x

Combine like terms: -15x + 15x = 0
-105 + 15x = 0

Add '105' to each side of the equation.
-105 + 105 + 15x = 0 + 105

Combine like terms: -105 + 105 = 0
0 + 15x = 0 + 105
15x = 0 + 105

Combine like terms: 0 + 105 = 105
15x = 105

Divide each side by '15'.
x = 7

Simplifying
x = 7