3x+149=12x-13

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Solution for 3x+149=12x-13 equation:


Simplifying
3x + 149 = 12x + -13

Reorder the terms:
149 + 3x = 12x + -13

Reorder the terms:
149 + 3x = -13 + 12x

Solving
149 + 3x = -13 + 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.
149 + 3x + -12x = -13 + 12x + -12x

Combine like terms: 3x + -12x = -9x
149 + -9x = -13 + 12x + -12x

Combine like terms: 12x + -12x = 0
149 + -9x = -13 + 0
149 + -9x = -13

Add '-149' to each side of the equation.
149 + -149 + -9x = -13 + -149

Combine like terms: 149 + -149 = 0
0 + -9x = -13 + -149
-9x = -13 + -149

Combine like terms: -13 + -149 = -162
-9x = -162

Divide each side by '-9'.
x = 18

Simplifying
x = 18

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