(21/7)(4a+a)-12=0

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Solution for (21/7)(4a+a)-12=0 equation: 



(21/7)(4a+a)-12=0



Domain of the equation: 7)(4a+a)!=0

a∈R



We add all the numbers together, and all the variables

3(+5a)-12=0

We multiply parentheses

15a-12=0

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

15a=12

a=12/15

a=4/5

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