-21-8a=-1/6(4-5a)

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Solution for -21-8a=-1/6(4-5a) equation: 



-21-8a=-1/6(4-5a)

We move all terms to the left:

-21-8a-(-1/6(4-5a))=0



Domain of the equation: 6(4-5a))!=0

a∈R



We add all the numbers together, and all the variables

-8a-(-1/6(-5a+4))-21=0

We multiply all the terms by the denominator


-8a*6(-5a+4))-(-21*6(-5a+4))-1=0

Wy multiply elements

-48a^2(--126a(-=0

We use the square of the difference formula

-48a^2(+126a(-=0

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