231=8s+7-8(7-4)

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Solution for 231=8s+7-8(7-4) equation:


Simplifying
231 = 8s + 7 + -8(7 + -4)

Combine like terms: 7 + -4 = 3
231 = 8s + 7 + -8(3)

Multiply -8 * 3
231 = 8s + 7 + -24

Reorder the terms:
231 = 7 + -24 + 8s

Combine like terms: 7 + -24 = -17
231 = -17 + 8s

Solving
231 = -17 + 8s

Solving for variable 's'.

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

Add '-8s' to each side of the equation.
231 + -8s = -17 + 8s + -8s

Combine like terms: 8s + -8s = 0
231 + -8s = -17 + 0
231 + -8s = -17

Add '-231' to each side of the equation.
231 + -231 + -8s = -17 + -231

Combine like terms: 231 + -231 = 0
0 + -8s = -17 + -231
-8s = -17 + -231

Combine like terms: -17 + -231 = -248
-8s = -248

Divide each side by '-8'.
s = 31

Simplifying
s = 31

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