1/4a+7=21

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Solution for 1/4a+7=21 equation: 



1/4a+7=21

We move all terms to the left:

1/4a+7-(21)=0



Domain of the equation: 4a!=0

a!=0/4

a!=0

a∈R



We add all the numbers together, and all the variables

1/4a-14=0

We multiply all the terms by the denominator


-14*4a+1=0

Wy multiply elements

-56a+1=0

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

-56a=-1

a=-1/-56

a=1/56

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