4s+12=9s-8

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Solution for 4s+12=9s-8 equation:


Simplifying
4s + 12 = 9s + -8

Reorder the terms:
12 + 4s = 9s + -8

Reorder the terms:
12 + 4s = -8 + 9s

Solving
12 + 4s = -8 + 9s

Solving for variable 's'.

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

Add '-9s' to each side of the equation.
12 + 4s + -9s = -8 + 9s + -9s

Combine like terms: 4s + -9s = -5s
12 + -5s = -8 + 9s + -9s

Combine like terms: 9s + -9s = 0
12 + -5s = -8 + 0
12 + -5s = -8

Add '-12' to each side of the equation.
12 + -12 + -5s = -8 + -12

Combine like terms: 12 + -12 = 0
0 + -5s = -8 + -12
-5s = -8 + -12

Combine like terms: -8 + -12 = -20
-5s = -20

Divide each side by '-5'.
s = 4

Simplifying
s = 4

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