12=4x+8x

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Solution for 12=4x+8x equation: 


Simplifying
12 = 4x + 8x

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

Solving
12 = 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.
12 + -12x = 12x + -12x

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

Add '-12' to each side of the equation.
12 + -12 + -12x = 0 + -12

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

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

Divide each side by '-12'.
x = 1

Simplifying
x = 1

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