3(s+4)=18+s

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Solution for 3(s+4)=18+s equation:


Simplifying
3(s + 4) = 18 + s

Reorder the terms:
3(4 + s) = 18 + s
(4 * 3 + s * 3) = 18 + s
(12 + 3s) = 18 + s

Solving
12 + 3s = 18 + 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.
12 + 3s + -1s = 18 + s + -1s

Combine like terms: 3s + -1s = 2s
12 + 2s = 18 + s + -1s

Combine like terms: s + -1s = 0
12 + 2s = 18 + 0
12 + 2s = 18

Add '-12' to each side of the equation.
12 + -12 + 2s = 18 + -12

Combine like terms: 12 + -12 = 0
0 + 2s = 18 + -12
2s = 18 + -12

Combine like terms: 18 + -12 = 6
2s = 6

Divide each side by '2'.
s = 3

Simplifying
s = 3

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