S+9-12=19

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Solution for S+9-12=19 equation: 


Simplifying
S + 9 + -12 = 19

Reorder the terms:
9 + -12 + S = 19

Combine like terms: 9 + -12 = -3
-3 + S = 19

Solving
-3 + S = 19

Solving for variable 'S'.

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

Add '3' to each side of the equation.
-3 + 3 + S = 19 + 3

Combine like terms: -3 + 3 = 0
0 + S = 19 + 3
S = 19 + 3

Combine like terms: 19 + 3 = 22
S = 22

Simplifying
S = 22

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