x+72=-9x

Solution for x+72=-9x equation:

Simplifying
x + 72 = -9x

Reorder the terms:
72 + x = -9x

Solving
72 + x = -9x

Solving for variable 'x'.

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

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

Combine like terms: x + 9x = 10x
72 + 10x = -9x + 9x

Combine like terms: -9x + 9x = 0
72 + 10x = 0

Add '-72' to each side of the equation.
72 + -72 + 10x = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 10x = 0 + -72
10x = 0 + -72

Combine like terms: 0 + -72 = -72
10x = -72

Divide each side by '10'.
x = -7.2

Simplifying
x = -7.2