30.4=s+21.4

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Solution for 30.4=s+21.4 equation:


Simplifying
30.4 = s + 21.4

Reorder the terms:
30.4 = 21.4 + s

Solving
30.4 = 21.4 + s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
30.4 + -1s = 21.4 + s + -1s

Combine like terms: s + -1s = 0
30.4 + -1s = 21.4 + 0
30.4 + -1s = 21.4

Add '-30.4' to each side of the equation.
30.4 + -30.4 + -1s = 21.4 + -30.4

Combine like terms: 30.4 + -30.4 = 0.0
0.0 + -1s = 21.4 + -30.4
-1s = 21.4 + -30.4

Combine like terms: 21.4 + -30.4 = -9
-1s = -9

Divide each side by '-1'.
s = 9

Simplifying
s = 9

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