-19=4(3/a)

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Solution for -19=4(3/a) equation: 



-19=4(3/a)

We move all terms to the left:

-19-(4(3/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

-(4(+3/a))-19=0

We multiply all the terms by the denominator


-(4(+3-19*a))=0



We calculate terms in parentheses: -(4(+3-19*a)), so:

4(+3-19*a)

We add all the numbers together, and all the variables

4(-19a+3)

We multiply parentheses

-76a+12

Back to the equation:

-(-76a+12)



We get rid of parentheses

76a-12=0

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

76a=12

a=12/76

a=3/19

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