72+12=4s

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Solution for 72+12=4s equation:


Simplifying
72 + 12 = 4s

Combine like terms: 72 + 12 = 84
84 = 4s

Solving
84 = 4s

Solving for variable 's'.

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

Add '-4s' to each side of the equation.
84 + -4s = 4s + -4s

Combine like terms: 4s + -4s = 0
84 + -4s = 0

Add '-84' to each side of the equation.
84 + -84 + -4s = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -4s = 0 + -84
-4s = 0 + -84

Combine like terms: 0 + -84 = -84
-4s = -84

Divide each side by '-4'.
s = 21

Simplifying
s = 21

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