-9x+9=-x+81

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Solution for -9x+9=-x+81 equation:


Simplifying
-9x + 9 = -1x + 81

Reorder the terms:
9 + -9x = -1x + 81

Reorder the terms:
9 + -9x = 81 + -1x

Solving
9 + -9x = 81 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
9 + -9x + x = 81 + -1x + x

Combine like terms: -9x + x = -8x
9 + -8x = 81 + -1x + x

Combine like terms: -1x + x = 0
9 + -8x = 81 + 0
9 + -8x = 81

Add '-9' to each side of the equation.
9 + -9 + -8x = 81 + -9

Combine like terms: 9 + -9 = 0
0 + -8x = 81 + -9
-8x = 81 + -9

Combine like terms: 81 + -9 = 72
-8x = 72

Divide each side by '-8'.
x = -9

Simplifying
x = -9

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