-9x-99=-87+3x

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Solution for -9x-99=-87+3x equation:


Simplifying
-9x + -99 = -87 + 3x

Reorder the terms:
-99 + -9x = -87 + 3x

Solving
-99 + -9x = -87 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-99 + -9x + -3x = -87 + 3x + -3x

Combine like terms: -9x + -3x = -12x
-99 + -12x = -87 + 3x + -3x

Combine like terms: 3x + -3x = 0
-99 + -12x = -87 + 0
-99 + -12x = -87

Add '99' to each side of the equation.
-99 + 99 + -12x = -87 + 99

Combine like terms: -99 + 99 = 0
0 + -12x = -87 + 99
-12x = -87 + 99

Combine like terms: -87 + 99 = 12
-12x = 12

Divide each side by '-12'.
x = -1

Simplifying
x = -1

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