12=3x-8+7x

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Solution for 12=3x-8+7x equation:


Simplifying
12 = 3x + -8 + 7x

Reorder the terms:
12 = -8 + 3x + 7x

Combine like terms: 3x + 7x = 10x
12 = -8 + 10x

Solving
12 = -8 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
12 + -10x = -8 + 10x + -10x

Combine like terms: 10x + -10x = 0
12 + -10x = -8 + 0
12 + -10x = -8

Add '-12' to each side of the equation.
12 + -12 + -10x = -8 + -12

Combine like terms: 12 + -12 = 0
0 + -10x = -8 + -12
-10x = -8 + -12

Combine like terms: -8 + -12 = -20
-10x = -20

Divide each side by '-10'.
x = 2

Simplifying
x = 2

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