7s-28=-40+3s

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Solution for 7s-28=-40+3s equation:


Simplifying
7s + -28 = -40 + 3s

Reorder the terms:
-28 + 7s = -40 + 3s

Solving
-28 + 7s = -40 + 3s

Solving for variable 's'.

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

Add '-3s' to each side of the equation.
-28 + 7s + -3s = -40 + 3s + -3s

Combine like terms: 7s + -3s = 4s
-28 + 4s = -40 + 3s + -3s

Combine like terms: 3s + -3s = 0
-28 + 4s = -40 + 0
-28 + 4s = -40

Add '28' to each side of the equation.
-28 + 28 + 4s = -40 + 28

Combine like terms: -28 + 28 = 0
0 + 4s = -40 + 28
4s = -40 + 28

Combine like terms: -40 + 28 = -12
4s = -12

Divide each side by '4'.
s = -3

Simplifying
s = -3

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