3/4y+3=21

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Solution for 3/4y+3=21 equation: 



3/4y+3=21

We move all terms to the left:

3/4y+3-(21)=0



Domain of the equation: 4y!=0

y!=0/4

y!=0

y∈R



We add all the numbers together, and all the variables

3/4y-18=0

We multiply all the terms by the denominator


-18*4y+3=0

Wy multiply elements

-72y+3=0

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

-72y=-3

y=-3/-72

y=1/24

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