-7x+4+12=40-3

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Solution for -7x+4+12=40-3 equation:


Simplifying
-7x + 4 + 12 = 40 + -3

Reorder the terms:
4 + 12 + -7x = 40 + -3

Combine like terms: 4 + 12 = 16
16 + -7x = 40 + -3

Combine like terms: 40 + -3 = 37
16 + -7x = 37

Solving
16 + -7x = 37

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + -7x = 37 + -16

Combine like terms: 16 + -16 = 0
0 + -7x = 37 + -16
-7x = 37 + -16

Combine like terms: 37 + -16 = 21
-7x = 21

Divide each side by '-7'.
x = -3

Simplifying
x = -3

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