42+s=78

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Solution for 42+s=78 equation: 


Simplifying
42 + s = 78

Solving
42 + s = 78

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 = 78 + -42

Combine like terms: 42 + -42 = 0
0 + s = 78 + -42
s = 78 + -42

Combine like terms: 78 + -42 = 36
s = 36

Simplifying
s = 36

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