2-7+3s=20

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Solution for 2-7+3s=20 equation: 


Simplifying
2 + -7 + 3s = 20

Combine like terms: 2 + -7 = -5
-5 + 3s = 20

Solving
-5 + 3s = 20

Solving for variable 's'.

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

Add '5' to each side of the equation.
-5 + 5 + 3s = 20 + 5

Combine like terms: -5 + 5 = 0
0 + 3s = 20 + 5
3s = 20 + 5

Combine like terms: 20 + 5 = 25
3s = 25

Divide each side by '3'.
s = 8.333333333

Simplifying
s = 8.333333333

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