12x+8=3x+x

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


Simplifying
12x + 8 = 3x + x

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

Combine like terms: 3x + x = 4x
8 + 12x = 4x

Solving
8 + 12x = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
8 + 12x + -4x = 4x + -4x

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

Combine like terms: 4x + -4x = 0
8 + 8x = 0

Add '-8' to each side of the equation.
8 + -8 + 8x = 0 + -8

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

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

Divide each side by '8'.
x = -1

Simplifying
x = -1

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