7s+20=-18-12s

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Solution for 7s+20=-18-12s equation:


Simplifying
7s + 20 = -18 + -12s

Reorder the terms:
20 + 7s = -18 + -12s

Solving
20 + 7s = -18 + -12s

Solving for variable 's'.

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

Add '12s' to each side of the equation.
20 + 7s + 12s = -18 + -12s + 12s

Combine like terms: 7s + 12s = 19s
20 + 19s = -18 + -12s + 12s

Combine like terms: -12s + 12s = 0
20 + 19s = -18 + 0
20 + 19s = -18

Add '-20' to each side of the equation.
20 + -20 + 19s = -18 + -20

Combine like terms: 20 + -20 = 0
0 + 19s = -18 + -20
19s = -18 + -20

Combine like terms: -18 + -20 = -38
19s = -38

Divide each side by '19'.
s = -2

Simplifying
s = -2

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