-31-8s=3(5s+7)

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Solution for -31-8s=3(5s+7) equation:


Simplifying
-31 + -8s = 3(5s + 7)

Reorder the terms:
-31 + -8s = 3(7 + 5s)
-31 + -8s = (7 * 3 + 5s * 3)
-31 + -8s = (21 + 15s)

Solving
-31 + -8s = 21 + 15s

Solving for variable 's'.

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

Add '-15s' to each side of the equation.
-31 + -8s + -15s = 21 + 15s + -15s

Combine like terms: -8s + -15s = -23s
-31 + -23s = 21 + 15s + -15s

Combine like terms: 15s + -15s = 0
-31 + -23s = 21 + 0
-31 + -23s = 21

Add '31' to each side of the equation.
-31 + 31 + -23s = 21 + 31

Combine like terms: -31 + 31 = 0
0 + -23s = 21 + 31
-23s = 21 + 31

Combine like terms: 21 + 31 = 52
-23s = 52

Divide each side by '-23'.
s = -2.260869565

Simplifying
s = -2.260869565

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