-15=-7s+4s

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Solution for -15=-7s+4s equation:


Simplifying
-15 = -7s + 4s

Combine like terms: -7s + 4s = -3s
-15 = -3s

Solving
-15 = -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.
-15 + 3s = -3s + 3s

Combine like terms: -3s + 3s = 0
-15 + 3s = 0

Add '15' to each side of the equation.
-15 + 15 + 3s = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 3s = 0 + 15
3s = 0 + 15

Combine like terms: 0 + 15 = 15
3s = 15

Divide each side by '3'.
s = 5

Simplifying
s = 5

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