15=1/2a+7

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Solution for 15=1/2a+7 equation: 



15=1/2a+7

We move all terms to the left:

15-(1/2a+7)=0



Domain of the equation: 2a+7)!=0

a∈R



We get rid of parentheses

-1/2a-7+15=0

We multiply all the terms by the denominator


-7*2a+15*2a-1=0

Wy multiply elements

-14a+30a-1=0

We add all the numbers together, and all the variables

16a-1=0

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

16a=1

a=1/16

a=1/16

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