9-(81)=10x-x

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Solution for 9-(81)=10x-x equation:


Simplifying
9 + -1(81) = 10x + -1x

Multiply -1 * 81
9 + -81 = 10x + -1x

Combine like terms: 9 + -81 = -72
-72 = 10x + -1x

Combine like terms: 10x + -1x = 9x
-72 = 9x

Solving
-72 = 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 + -9x = 9x + -9x

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

Add '72' to each side of the equation.
-72 + 72 + -9x = 0 + 72

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

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

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

Simplifying
x = -8

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