8+12s-7-9s+4=

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Solution for 8+12s-7-9s+4= equation:


Simplifying
8 + 12s + -7 + -9s + 4 = 0

Reorder the terms:
8 + -7 + 4 + 12s + -9s = 0

Combine like terms: 8 + -7 = 1
1 + 4 + 12s + -9s = 0

Combine like terms: 1 + 4 = 5
5 + 12s + -9s = 0

Combine like terms: 12s + -9s = 3s
5 + 3s = 0

Solving
5 + 3s = 0

Solving for variable 's'.

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

Add '-5' to each side of the equation.
5 + -5 + 3s = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 3s = 0 + -5
3s = 0 + -5

Combine like terms: 0 + -5 = -5
3s = -5

Divide each side by '3'.
s = -1.666666667

Simplifying
s = -1.666666667

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