(s+12)+(3s-8)=

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Solution for (s+12)+(3s-8)= equation:


Simplifying
(s + 12) + (3s + -8) = 0

Reorder the terms:
(12 + s) + (3s + -8) = 0

Remove parenthesis around (12 + s)
12 + s + (3s + -8) = 0

Reorder the terms:
12 + s + (-8 + 3s) = 0

Remove parenthesis around (-8 + 3s)
12 + s + -8 + 3s = 0

Reorder the terms:
12 + -8 + s + 3s = 0

Combine like terms: 12 + -8 = 4
4 + s + 3s = 0

Combine like terms: s + 3s = 4s
4 + 4s = 0

Solving
4 + 4s = 0

Solving for variable 's'.

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

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

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

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

Divide each side by '4'.
s = -1

Simplifying
s = -1

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