9s+7=4s-8

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Solution for 9s+7=4s-8 equation:


Simplifying
9s + 7 = 4s + -8

Reorder the terms:
7 + 9s = 4s + -8

Reorder the terms:
7 + 9s = -8 + 4s

Solving
7 + 9s = -8 + 4s

Solving for variable 's'.

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

Add '-4s' to each side of the equation.
7 + 9s + -4s = -8 + 4s + -4s

Combine like terms: 9s + -4s = 5s
7 + 5s = -8 + 4s + -4s

Combine like terms: 4s + -4s = 0
7 + 5s = -8 + 0
7 + 5s = -8

Add '-7' to each side of the equation.
7 + -7 + 5s = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 5s = -8 + -7
5s = -8 + -7

Combine like terms: -8 + -7 = -15
5s = -15

Divide each side by '5'.
s = -3

Simplifying
s = -3

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