7=1/5a+2

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Solution for 7=1/5a+2 equation: 



7=1/5a+2

We move all terms to the left:

7-(1/5a+2)=0



Domain of the equation: 5a+2)!=0

a∈R



We get rid of parentheses

-1/5a-2+7=0

We multiply all the terms by the denominator


-2*5a+7*5a-1=0

Wy multiply elements

-10a+35a-1=0

We add all the numbers together, and all the variables

25a-1=0

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

25a=1

a=1/25

a=1/25

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