30=4s

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Solution for 30=4s equation:


Simplifying
30 = 4s

Solving
30 = 4s

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.
30 + -4s = 4s + -4s

Combine like terms: 4s + -4s = 0
30 + -4s = 0

Add '-30' to each side of the equation.
30 + -30 + -4s = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -4s = 0 + -30
-4s = 0 + -30

Combine like terms: 0 + -30 = -30
-4s = -30

Divide each side by '-4'.
s = 7.5

Simplifying
s = 7.5

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