3x+199=12x-8

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Solution for 3x+199=12x-8 equation:


Simplifying
3x + 199 = 12x + -8

Reorder the terms:
199 + 3x = 12x + -8

Reorder the terms:
199 + 3x = -8 + 12x

Solving
199 + 3x = -8 + 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.
199 + 3x + -12x = -8 + 12x + -12x

Combine like terms: 3x + -12x = -9x
199 + -9x = -8 + 12x + -12x

Combine like terms: 12x + -12x = 0
199 + -9x = -8 + 0
199 + -9x = -8

Add '-199' to each side of the equation.
199 + -199 + -9x = -8 + -199

Combine like terms: 199 + -199 = 0
0 + -9x = -8 + -199
-9x = -8 + -199

Combine like terms: -8 + -199 = -207
-9x = -207

Divide each side by '-9'.
x = 23

Simplifying
x = 23

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