4+2s-1=7s+12-2s

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Solution for 4+2s-1=7s+12-2s equation: 


Simplifying
4 + 2s + -1 = 7s + 12 + -2s

Reorder the terms:
4 + -1 + 2s = 7s + 12 + -2s

Combine like terms: 4 + -1 = 3
3 + 2s = 7s + 12 + -2s

Reorder the terms:
3 + 2s = 12 + 7s + -2s

Combine like terms: 7s + -2s = 5s
3 + 2s = 12 + 5s

Solving
3 + 2s = 12 + 5s

Solving for variable 's'.

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

Add '-5s' to each side of the equation.
3 + 2s + -5s = 12 + 5s + -5s

Combine like terms: 2s + -5s = -3s
3 + -3s = 12 + 5s + -5s

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

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

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

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

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

Simplifying
s = -3

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