3+4s=7s-12

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Solution for 3+4s=7s-12 equation:


Simplifying
3 + 4s = 7s + -12

Reorder the terms:
3 + 4s = -12 + 7s

Solving
3 + 4s = -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 + 4s + -7s = -12 + 7s + -7s

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

Combine like terms: 7s + -7s = 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 = -15
-3s = -15

Divide each side by '-3'.
s = 5

Simplifying
s = 5

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