-21+s=40

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Solution for -21+s=40 equation: 


Simplifying
-21 + s = 40

Solving
-21 + s = 40

Solving for variable 's'.

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

Add '21' to each side of the equation.
-21 + 21 + s = 40 + 21

Combine like terms: -21 + 21 = 0
0 + s = 40 + 21
s = 40 + 21

Combine like terms: 40 + 21 = 61
s = 61

Simplifying
s = 61

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