31-8s=-4(3s+5)

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Solution for 31-8s=-4(3s+5) equation:


Simplifying
31 + -8s = -4(3s + 5)

Reorder the terms:
31 + -8s = -4(5 + 3s)
31 + -8s = (5 * -4 + 3s * -4)
31 + -8s = (-20 + -12s)

Solving
31 + -8s = -20 + -12s

Solving for variable 's'.

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

Add '12s' to each side of the equation.
31 + -8s + 12s = -20 + -12s + 12s

Combine like terms: -8s + 12s = 4s
31 + 4s = -20 + -12s + 12s

Combine like terms: -12s + 12s = 0
31 + 4s = -20 + 0
31 + 4s = -20

Add '-31' to each side of the equation.
31 + -31 + 4s = -20 + -31

Combine like terms: 31 + -31 = 0
0 + 4s = -20 + -31
4s = -20 + -31

Combine like terms: -20 + -31 = -51
4s = -51

Divide each side by '4'.
s = -12.75

Simplifying
s = -12.75

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