9+4s-2=8s+15-2s

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Solution for 9+4s-2=8s+15-2s equation: 


Simplifying
9 + 4s + -2 = 8s + 15 + -2s

Reorder the terms:
9 + -2 + 4s = 8s + 15 + -2s

Combine like terms: 9 + -2 = 7
7 + 4s = 8s + 15 + -2s

Reorder the terms:
7 + 4s = 15 + 8s + -2s

Combine like terms: 8s + -2s = 6s
7 + 4s = 15 + 6s

Solving
7 + 4s = 15 + 6s

Solving for variable 's'.

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

Add '-6s' to each side of the equation.
7 + 4s + -6s = 15 + 6s + -6s

Combine like terms: 4s + -6s = -2s
7 + -2s = 15 + 6s + -6s

Combine like terms: 6s + -6s = 0
7 + -2s = 15 + 0
7 + -2s = 15

Add '-7' to each side of the equation.
7 + -7 + -2s = 15 + -7

Combine like terms: 7 + -7 = 0
0 + -2s = 15 + -7
-2s = 15 + -7

Combine like terms: 15 + -7 = 8
-2s = 8

Divide each side by '-2'.
s = -4

Simplifying
s = -4

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