20s-31=43s-100

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Solution for 20s-31=43s-100 equation:


Simplifying
20s + -31 = 43s + -100

Reorder the terms:
-31 + 20s = 43s + -100

Reorder the terms:
-31 + 20s = -100 + 43s

Solving
-31 + 20s = -100 + 43s

Solving for variable 's'.

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

Add '-43s' to each side of the equation.
-31 + 20s + -43s = -100 + 43s + -43s

Combine like terms: 20s + -43s = -23s
-31 + -23s = -100 + 43s + -43s

Combine like terms: 43s + -43s = 0
-31 + -23s = -100 + 0
-31 + -23s = -100

Add '31' to each side of the equation.
-31 + 31 + -23s = -100 + 31

Combine like terms: -31 + 31 = 0
0 + -23s = -100 + 31
-23s = -100 + 31

Combine like terms: -100 + 31 = -69
-23s = -69

Divide each side by '-23'.
s = 3

Simplifying
s = 3

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