x-81=-9x+9

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


Simplifying
x + -81 = -9x + 9

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

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

Solving
-81 + x = 9 + -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.
-81 + x + 9x = 9 + -9x + 9x

Combine like terms: x + 9x = 10x
-81 + 10x = 9 + -9x + 9x

Combine like terms: -9x + 9x = 0
-81 + 10x = 9 + 0
-81 + 10x = 9

Add '81' to each side of the equation.
-81 + 81 + 10x = 9 + 81

Combine like terms: -81 + 81 = 0
0 + 10x = 9 + 81
10x = 9 + 81

Combine like terms: 9 + 81 = 90
10x = 90

Divide each side by '10'.
x = 9

Simplifying
x = 9

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