42/s+14=21

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Solution for 42/s+14=21 equation: 



42/s+14=21

We move all terms to the left:

42/s+14-(21)=0



Domain of the equation: s!=0

s∈R



We add all the numbers together, and all the variables

42/s-7=0

We multiply all the terms by the denominator


-7*s+42=0

We add all the numbers together, and all the variables

-7s+42=0

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

-7s=-42

s=-42/-7

s=+6

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