16=s+21

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Solution for 16=s+21 equation: 


Simplifying
16 = s + 21

Reorder the terms:
16 = 21 + s

Solving
16 = 21 + 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.
16 + -1s = 21 + s + -1s

Combine like terms: s + -1s = 0
16 + -1s = 21 + 0
16 + -1s = 21

Add '-16' to each side of the equation.
16 + -16 + -1s = 21 + -16

Combine like terms: 16 + -16 = 0
0 + -1s = 21 + -16
-1s = 21 + -16

Combine like terms: 21 + -16 = 5
-1s = 5

Divide each side by '-1'.
s = -5

Simplifying
s = -5

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