7x+4-3x-12=8

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Solution for 7x+4-3x-12=8 equation:


Simplifying
7x + 4 + -3x + -12 = 8

Reorder the terms:
4 + -12 + 7x + -3x = 8

Combine like terms: 4 + -12 = -8
-8 + 7x + -3x = 8

Combine like terms: 7x + -3x = 4x
-8 + 4x = 8

Solving
-8 + 4x = 8

Solving for variable 'x'.

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

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

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

Combine like terms: 8 + 8 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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