x+8x+109=64

Solution for x+8x+109=64 equation:

Simplifying
x + 8x + 109 = 64

Reorder the terms:
109 + x + 8x = 64

Combine like terms: x + 8x = 9x
109 + 9x = 64

Solving
109 + 9x = 64

Solving for variable 'x'.

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

Add '-109' to each side of the equation.
109 + -109 + 9x = 64 + -109

Combine like terms: 109 + -109 = 0
0 + 9x = 64 + -109
9x = 64 + -109

Combine like terms: 64 + -109 = -45
9x = -45

Divide each side by '9'.
x = -5

Simplifying
x = -5