2s-21=75

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Solution for 2s-21=75 equation: 


Simplifying
2s + -21 = 75

Reorder the terms:
-21 + 2s = 75

Solving
-21 + 2s = 75

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 + 2s = 75 + 21

Combine like terms: -21 + 21 = 0
0 + 2s = 75 + 21
2s = 75 + 21

Combine like terms: 75 + 21 = 96
2s = 96

Divide each side by '2'.
s = 48

Simplifying
s = 48

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