9-3x-6x=99

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Solution for 9-3x-6x=99 equation: 


Simplifying
9 + -3x + -6x = 99

Combine like terms: -3x + -6x = -9x
9 + -9x = 99

Solving
9 + -9x = 99

Solving for variable 'x'.

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

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

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

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

Divide each side by '-9'.
x = -10

Simplifying
x = -10

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