9-7x=2x-90

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Solution for 9-7x=2x-90 equation:


Simplifying
9 + -7x = 2x + -90

Reorder the terms:
9 + -7x = -90 + 2x

Solving
9 + -7x = -90 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
9 + -7x + -2x = -90 + 2x + -2x

Combine like terms: -7x + -2x = -9x
9 + -9x = -90 + 2x + -2x

Combine like terms: 2x + -2x = 0
9 + -9x = -90 + 0
9 + -9x = -90

Add '-9' to each side of the equation.
9 + -9 + -9x = -90 + -9

Combine like terms: 9 + -9 = 0
0 + -9x = -90 + -9
-9x = -90 + -9

Combine like terms: -90 + -9 = -99
-9x = -99

Divide each side by '-9'.
x = 11

Simplifying
x = 11

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