-91+3x+9x=149

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Solution for -91+3x+9x=149 equation: 


Simplifying
-91 + 3x + 9x = 149

Combine like terms: 3x + 9x = 12x
-91 + 12x = 149

Solving
-91 + 12x = 149

Solving for variable 'x'.

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

Add '91' to each side of the equation.
-91 + 91 + 12x = 149 + 91

Combine like terms: -91 + 91 = 0
0 + 12x = 149 + 91
12x = 149 + 91

Combine like terms: 149 + 91 = 240
12x = 240

Divide each side by '12'.
x = 20

Simplifying
x = 20

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