S+12=7

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Solution for S+12=7 equation: 


Simplifying
S + 12 = 7

Reorder the terms:
12 + S = 7

Solving
12 + S = 7

Solving for variable 'S'.

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

Add '-12' to each side of the equation.
12 + -12 + S = 7 + -12

Combine like terms: 12 + -12 = 0
0 + S = 7 + -12
S = 7 + -12

Combine like terms: 7 + -12 = -5
S = -5

Simplifying
S = -5

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