-12+3-4x=7

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


Simplifying
-12 + 3 + -4x = 7

Combine like terms: -12 + 3 = -9
-9 + -4x = 7

Solving
-9 + -4x = 7

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -4x = 7 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = 7 + 9
-4x = 7 + 9

Combine like terms: 7 + 9 = 16
-4x = 16

Divide each side by '-4'.
x = -4

Simplifying
x = -4

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