75/15=72/a

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Solution for 75/15=72/a equation: 



75/15=72/a

We move all terms to the left:

75/15-(72/a)=0



Domain of the equation: a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+72/a)+75/15=0

We add all the numbers together, and all the variables

-(+72/a)+5=0

We get rid of parentheses

-72/a+5=0

We multiply all the terms by the denominator


5*a-72=0

We add all the numbers together, and all the variables

5a-72=0

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

5a=72

a=72/5

a=14+2/5

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