3x-125=12x+55

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Solution for 3x-125=12x+55 equation:


Simplifying
3x + -125 = 12x + 55

Reorder the terms:
-125 + 3x = 12x + 55

Reorder the terms:
-125 + 3x = 55 + 12x

Solving
-125 + 3x = 55 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-125 + 3x + -12x = 55 + 12x + -12x

Combine like terms: 3x + -12x = -9x
-125 + -9x = 55 + 12x + -12x

Combine like terms: 12x + -12x = 0
-125 + -9x = 55 + 0
-125 + -9x = 55

Add '125' to each side of the equation.
-125 + 125 + -9x = 55 + 125

Combine like terms: -125 + 125 = 0
0 + -9x = 55 + 125
-9x = 55 + 125

Combine like terms: 55 + 125 = 180
-9x = 180

Divide each side by '-9'.
x = -20

Simplifying
x = -20

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