28=4s-7y

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Solution for 28=4s-7y equation: 


Simplifying
28 = 4s + -7y

Solving
28 = 4s + -7y

Solving for variable 's'.

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

Add '-4s' to each side of the equation.
28 + -4s = 4s + -4s + -7y

Combine like terms: 4s + -4s = 0
28 + -4s = 0 + -7y
28 + -4s = -7y

Add '-28' to each side of the equation.
28 + -28 + -4s = -28 + -7y

Combine like terms: 28 + -28 = 0
0 + -4s = -28 + -7y
-4s = -28 + -7y

Divide each side by '-4'.
s = 7 + 1.75y

Simplifying
s = 7 + 1.75y

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