72=12+4s

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Solution for 72=12+4s equation:


Simplifying
72 = 12 + 4s

Solving
72 = 12 + 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.
72 + -4s = 12 + 4s + -4s

Combine like terms: 4s + -4s = 0
72 + -4s = 12 + 0
72 + -4s = 12

Add '-72' to each side of the equation.
72 + -72 + -4s = 12 + -72

Combine like terms: 72 + -72 = 0
0 + -4s = 12 + -72
-4s = 12 + -72

Combine like terms: 12 + -72 = -60
-4s = -60

Divide each side by '-4'.
s = 15

Simplifying
s = 15

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