3x+191=12x-7

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Solution for 3x+191=12x-7 equation:


Simplifying
3x + 191 = 12x + -7

Reorder the terms:
191 + 3x = 12x + -7

Reorder the terms:
191 + 3x = -7 + 12x

Solving
191 + 3x = -7 + 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.
191 + 3x + -12x = -7 + 12x + -12x

Combine like terms: 3x + -12x = -9x
191 + -9x = -7 + 12x + -12x

Combine like terms: 12x + -12x = 0
191 + -9x = -7 + 0
191 + -9x = -7

Add '-191' to each side of the equation.
191 + -191 + -9x = -7 + -191

Combine like terms: 191 + -191 = 0
0 + -9x = -7 + -191
-9x = -7 + -191

Combine like terms: -7 + -191 = -198
-9x = -198

Divide each side by '-9'.
x = 22

Simplifying
x = 22

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