-7x+12=40

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Solution for -7x+12=40 equation: 


Simplifying
-7x + 12 = 40

Reorder the terms:
12 + -7x = 40

Solving
12 + -7x = 40

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 + -7x = 40 + -12

Combine like terms: 12 + -12 = 0
0 + -7x = 40 + -12
-7x = 40 + -12

Combine like terms: 40 + -12 = 28
-7x = 28

Divide each side by '-7'.
x = -4

Simplifying
x = -4

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