2x+12-4=7

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Solution for 2x+12-4=7 equation: 


Simplifying
2x + 12 + -4 = 7

Reorder the terms:
12 + -4 + 2x = 7

Combine like terms: 12 + -4 = 8
8 + 2x = 7

Solving
8 + 2x = 7

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 + 2x = 7 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 7 + -8
2x = 7 + -8

Combine like terms: 7 + -8 = -1
2x = -1

Divide each side by '2'.
x = -0.5

Simplifying
x = -0.5

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