-10x-81=10x+9

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Solution for -10x-81=10x+9 equation:


Simplifying
-10x + -81 = 10x + 9

Reorder the terms:
-81 + -10x = 10x + 9

Reorder the terms:
-81 + -10x = 9 + 10x

Solving
-81 + -10x = 9 + 10x

Solving for variable 'x'.

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

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

Combine like terms: -10x + -10x = -20x
-81 + -20x = 9 + 10x + -10x

Combine like terms: 10x + -10x = 0
-81 + -20x = 9 + 0
-81 + -20x = 9

Add '81' to each side of the equation.
-81 + 81 + -20x = 9 + 81

Combine like terms: -81 + 81 = 0
0 + -20x = 9 + 81
-20x = 9 + 81

Combine like terms: 9 + 81 = 90
-20x = 90

Divide each side by '-20'.
x = -4.5

Simplifying
x = -4.5

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