21+y/4=12

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Solution for 21+y/4=12 equation: 



21+y/4=12

We move all terms to the left:

21+y/4-(12)=0

We add all the numbers together, and all the variables

y/4+9=0

We multiply all the terms by the denominator


y+9*4=0

We add all the numbers together, and all the variables

y+36=0

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

y=-36

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