-3x-36+9x=84

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Solution for -3x-36+9x=84 equation:


Simplifying
-3x + -36 + 9x = 84

Reorder the terms:
-36 + -3x + 9x = 84

Combine like terms: -3x + 9x = 6x
-36 + 6x = 84

Solving
-36 + 6x = 84

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 6x = 84 + 36

Combine like terms: -36 + 36 = 0
0 + 6x = 84 + 36
6x = 84 + 36

Combine like terms: 84 + 36 = 120
6x = 120

Divide each side by '6'.
x = 20

Simplifying
x = 20

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