-9x-(-99)=171

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Solution for -9x-(-99)=171 equation:


Simplifying
-9x + -1(-99) = 171

Multiply -1 * -99
-9x + 99 = 171

Reorder the terms:
99 + -9x = 171

Solving
99 + -9x = 171

Solving for variable 'x'.

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

Add '-99' to each side of the equation.
99 + -99 + -9x = 171 + -99

Combine like terms: 99 + -99 = 0
0 + -9x = 171 + -99
-9x = 171 + -99

Combine like terms: 171 + -99 = 72
-9x = 72

Divide each side by '-9'.
x = -8

Simplifying
x = -8

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