1s+3s=20

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Solution for 1s+3s=20 equation: 


Simplifying
1s + 3s = 20

Combine like terms: 1s + 3s = 4s
4s = 20

Solving
4s = 20

Solving for variable 's'.

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

Divide each side by '4'.
s = 5

Simplifying
s = 5

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