10s-90=s

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Solution for 10s-90=s equation:


Simplifying
10s + -90 = s

Reorder the terms:
-90 + 10s = s

Solving
-90 + 10s = s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
-90 + 10s + -1s = s + -1s

Combine like terms: 10s + -1s = 9s
-90 + 9s = s + -1s

Combine like terms: s + -1s = 0
-90 + 9s = 0

Add '90' to each side of the equation.
-90 + 90 + 9s = 0 + 90

Combine like terms: -90 + 90 = 0
0 + 9s = 0 + 90
9s = 0 + 90

Combine like terms: 0 + 90 = 90
9s = 90

Divide each side by '9'.
s = 10

Simplifying
s = 10

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