3s-20=45

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Solution for 3s-20=45 equation: 


Simplifying
3s + -20 = 45

Reorder the terms:
-20 + 3s = 45

Solving
-20 + 3s = 45

Solving for variable 's'.

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

Add '20' to each side of the equation.
-20 + 20 + 3s = 45 + 20

Combine like terms: -20 + 20 = 0
0 + 3s = 45 + 20
3s = 45 + 20

Combine like terms: 45 + 20 = 65
3s = 65

Divide each side by '3'.
s = 21.66666667

Simplifying
s = 21.66666667

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