15=1/2a-4

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Solution for 15=1/2a-4 equation: 



15=1/2a-4

We move all terms to the left:

15-(1/2a-4)=0



Domain of the equation: 2a-4)!=0

a∈R



We get rid of parentheses

-1/2a+4+15=0

We multiply all the terms by the denominator


4*2a+15*2a-1=0

Wy multiply elements

8a+30a-1=0

We add all the numbers together, and all the variables

38a-1=0

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

38a=1

a=1/38

a=1/38

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