-4(x-3)=4/5(x+21)

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Solution for -4(x-3)=4/5(x+21) equation: 



-4(x-3)=4/5(x+21)

We move all terms to the left:

-4(x-3)-(4/5(x+21))=0



Domain of the equation: 5(x+21))!=0

x∈R



We multiply parentheses

-4x-(4/5(x+21))+12=0

We multiply all the terms by the denominator


-4x*5(x+21))-(4+12*5(x+21))=0

Wy multiply elements

-20x^2(x+60x(x=0

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