3s+15s=90

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Solution for 3s+15s=90 equation: 


Simplifying
3s + 15s = 90

Combine like terms: 3s + 15s = 18s
18s = 90

Solving
18s = 90

Solving for variable 's'.

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

Divide each side by '18'.
s = 5

Simplifying
s = 5

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