3/8a-4=-1.3

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Solution for 3/8a-4=-1.3 equation: 



3/8a-4=-1.3

We move all terms to the left:

3/8a-4-(-1.3)=0



Domain of the equation: 8a!=0

a!=0/8

a!=0

a∈R



We add all the numbers together, and all the variables

3/8a-2.7=0

We multiply all the terms by the denominator


-(2.7)*8a+3=0

We multiply parentheses

-21.6a+3=0

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

-21.6a=-3

a=-3/-21.6

a=1/7.2

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