-1-s=7-9s

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Solution for -1-s=7-9s equation:


Simplifying
-1 + -1s = 7 + -9s

Solving
-1 + -1s = 7 + -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.
-1 + -1s + 9s = 7 + -9s + 9s

Combine like terms: -1s + 9s = 8s
-1 + 8s = 7 + -9s + 9s

Combine like terms: -9s + 9s = 0
-1 + 8s = 7 + 0
-1 + 8s = 7

Add '1' to each side of the equation.
-1 + 1 + 8s = 7 + 1

Combine like terms: -1 + 1 = 0
0 + 8s = 7 + 1
8s = 7 + 1

Combine like terms: 7 + 1 = 8
8s = 8

Divide each side by '8'.
s = 1

Simplifying
s = 1

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