s-42=-39

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Solution for s-42=-39 equation: 


Simplifying
s + -42 = -39

Reorder the terms:
-42 + s = -39

Solving
-42 + s = -39

Solving for variable 's'.

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

Add '42' to each side of the equation.
-42 + 42 + s = -39 + 42

Combine like terms: -42 + 42 = 0
0 + s = -39 + 42
s = -39 + 42

Combine like terms: -39 + 42 = 3
s = 3

Simplifying
s = 3

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