-9+90=9x-90

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Solution for -9+90=9x-90 equation:


Simplifying
-9 + 90 = 9x + -90

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

Reorder the terms:
81 = -90 + 9x

Solving
81 = -90 + 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 + -9x = -90 + 9x + -9x

Combine like terms: 9x + -9x = 0
81 + -9x = -90 + 0
81 + -9x = -90

Add '-81' to each side of the equation.
81 + -81 + -9x = -90 + -81

Combine like terms: 81 + -81 = 0
0 + -9x = -90 + -81
-9x = -90 + -81

Combine like terms: -90 + -81 = -171
-9x = -171

Divide each side by '-9'.
x = 19

Simplifying
x = 19

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