3x+9=84x-48+48x-72

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Solution for 3x+9=84x-48+48x-72 equation:


Simplifying
3x + 9 = 84x + -48 + 48x + -72

Reorder the terms:
9 + 3x = 84x + -48 + 48x + -72

Reorder the terms:
9 + 3x = -48 + -72 + 84x + 48x

Combine like terms: -48 + -72 = -120
9 + 3x = -120 + 84x + 48x

Combine like terms: 84x + 48x = 132x
9 + 3x = -120 + 132x

Solving
9 + 3x = -120 + 132x

Solving for variable 'x'.

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

Add '-132x' to each side of the equation.
9 + 3x + -132x = -120 + 132x + -132x

Combine like terms: 3x + -132x = -129x
9 + -129x = -120 + 132x + -132x

Combine like terms: 132x + -132x = 0
9 + -129x = -120 + 0
9 + -129x = -120

Add '-9' to each side of the equation.
9 + -9 + -129x = -120 + -9

Combine like terms: 9 + -9 = 0
0 + -129x = -120 + -9
-129x = -120 + -9

Combine like terms: -120 + -9 = -129
-129x = -129

Divide each side by '-129'.
x = 1

Simplifying
x = 1

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