3x+12=8-2x

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Solution for 3x+12=8-2x equation:


Simplifying
3x + 12 = 8 + -2x

Reorder the terms:
12 + 3x = 8 + -2x

Solving
12 + 3x = 8 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
12 + 3x + 2x = 8 + -2x + 2x

Combine like terms: 3x + 2x = 5x
12 + 5x = 8 + -2x + 2x

Combine like terms: -2x + 2x = 0
12 + 5x = 8 + 0
12 + 5x = 8

Add '-12' to each side of the equation.
12 + -12 + 5x = 8 + -12

Combine like terms: 12 + -12 = 0
0 + 5x = 8 + -12
5x = 8 + -12

Combine like terms: 8 + -12 = -4
5x = -4

Divide each side by '5'.
x = -0.8

Simplifying
x = -0.8

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