2x-81=80+9x

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Solution for 2x-81=80+9x equation:


Simplifying
2x + -81 = 80 + 9x

Reorder the terms:
-81 + 2x = 80 + 9x

Solving
-81 + 2x = 80 + 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 + 2x + -9x = 80 + 9x + -9x

Combine like terms: 2x + -9x = -7x
-81 + -7x = 80 + 9x + -9x

Combine like terms: 9x + -9x = 0
-81 + -7x = 80 + 0
-81 + -7x = 80

Add '81' to each side of the equation.
-81 + 81 + -7x = 80 + 81

Combine like terms: -81 + 81 = 0
0 + -7x = 80 + 81
-7x = 80 + 81

Combine like terms: 80 + 81 = 161
-7x = 161

Divide each side by '-7'.
x = -23

Simplifying
x = -23

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