21s-14=7s+18

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Solution for 21s-14=7s+18 equation: 



21s-14=7s+18

We move all terms to the left:

21s-14-(7s+18)=0

We get rid of parentheses

21s-7s-18-14=0

We add all the numbers together, and all the variables

14s-32=0

We move all terms containing s to the left, all other terms to the right

14s=32

s=32/14

s=2+2/7

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