3(4s+7)=57

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Solution for 3(4s+7)=57 equation:


Simplifying
3(4s + 7) = 57

Reorder the terms:
3(7 + 4s) = 57
(7 * 3 + 4s * 3) = 57
(21 + 12s) = 57

Solving
21 + 12s = 57

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 + 12s = 57 + -21

Combine like terms: 21 + -21 = 0
0 + 12s = 57 + -21
12s = 57 + -21

Combine like terms: 57 + -21 = 36
12s = 36

Divide each side by '12'.
s = 3

Simplifying
s = 3

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