s+2.5s+20=55

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Solution for s+2.5s+20=55 equation:


Simplifying
s + 2.5s + 20 = 55

Reorder the terms:
20 + s + 2.5s = 55

Combine like terms: s + 2.5s = 3.5s
20 + 3.5s = 55

Solving
20 + 3.5s = 55

Solving for variable 's'.

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

Add '-20' to each side of the equation.
20 + -20 + 3.5s = 55 + -20

Combine like terms: 20 + -20 = 0
0 + 3.5s = 55 + -20
3.5s = 55 + -20

Combine like terms: 55 + -20 = 35
3.5s = 35

Divide each side by '3.5'.
s = 10

Simplifying
s = 10

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