4s-9s-8=7

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


Simplifying
4s + -9s + -8 = 7

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

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

Solving
-8 + -5s = 7

Solving for variable 's'.

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

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

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

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

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

Simplifying
s = -3

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