7x+3x-12=8

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


Simplifying
7x + 3x + -12 = 8

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

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

Solving
-12 + 10x = 8

Solving for variable 'x'.

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

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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