90=23s+7s

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Solution for 90=23s+7s equation:


Simplifying
90 = 23s + 7s

Combine like terms: 23s + 7s = 30s
90 = 30s

Solving
90 = 30s

Solving for variable 's'.

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

Add '-30s' to each side of the equation.
90 + -30s = 30s + -30s

Combine like terms: 30s + -30s = 0
90 + -30s = 0

Add '-90' to each side of the equation.
90 + -90 + -30s = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -30s = 0 + -90
-30s = 0 + -90

Combine like terms: 0 + -90 = -90
-30s = -90

Divide each side by '-30'.
s = 3

Simplifying
s = 3

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