9+7s-1=7s+12-4s

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Solution for 9+7s-1=7s+12-4s equation:


Simplifying
9 + 7s + -1 = 7s + 12 + -4s

Reorder the terms:
9 + -1 + 7s = 7s + 12 + -4s

Combine like terms: 9 + -1 = 8
8 + 7s = 7s + 12 + -4s

Reorder the terms:
8 + 7s = 12 + 7s + -4s

Combine like terms: 7s + -4s = 3s
8 + 7s = 12 + 3s

Solving
8 + 7s = 12 + 3s

Solving for variable 's'.

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

Add '-3s' to each side of the equation.
8 + 7s + -3s = 12 + 3s + -3s

Combine like terms: 7s + -3s = 4s
8 + 4s = 12 + 3s + -3s

Combine like terms: 3s + -3s = 0
8 + 4s = 12 + 0
8 + 4s = 12

Add '-8' to each side of the equation.
8 + -8 + 4s = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 4s = 12 + -8
4s = 12 + -8

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

Divide each side by '4'.
s = 1

Simplifying
s = 1

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