s-3+4s=12

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Solution for s-3+4s=12 equation: 


Simplifying
s + -3 + 4s = 12

Reorder the terms:
-3 + s + 4s = 12

Combine like terms: s + 4s = 5s
-3 + 5s = 12

Solving
-3 + 5s = 12

Solving for variable 's'.

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

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 = 15
5s = 15

Divide each side by '5'.
s = 3

Simplifying
s = 3

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