21=s-25

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Solution for 21=s-25 equation:


Simplifying
21 = s + -25

Reorder the terms:
21 = -25 + s

Solving
21 = -25 + s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
21 + -1s = -25 + s + -1s

Combine like terms: s + -1s = 0
21 + -1s = -25 + 0
21 + -1s = -25

Add '-21' to each side of the equation.
21 + -21 + -1s = -25 + -21

Combine like terms: 21 + -21 = 0
0 + -1s = -25 + -21
-1s = -25 + -21

Combine like terms: -25 + -21 = -46
-1s = -46

Divide each side by '-1'.
s = 46

Simplifying
s = 46

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