-3x-9=6x+99

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


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

Reorder the terms:
-9 + -3x = 6x + 99

Reorder the terms:
-9 + -3x = 99 + 6x

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

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-9 + -3x + -6x = 99 + 6x + -6x

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

Combine like terms: 6x + -6x = 0
-9 + -9x = 99 + 0
-9 + -9x = 99

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 = 108
-9x = 108

Divide each side by '-9'.
x = -12

Simplifying
x = -12

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