4+2s-1=7s+12

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


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

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

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

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

Solving
3 + 2s = 12 + 7s

Solving for variable 's'.

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

Add '-7s' to each side of the equation.
3 + 2s + -7s = 12 + 7s + -7s

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

Combine like terms: 7s + -7s = 0
3 + -5s = 12 + 0
3 + -5s = 12

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

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

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

Divide each side by '-5'.
s = -1.8

Simplifying
s = -1.8

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