1/2(6x-18)=5x+21

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Solution for 1/2(6x-18)=5x+21 equation: 



1/2(6x-18)=5x+21

We move all terms to the left:

1/2(6x-18)-(5x+21)=0



Domain of the equation: 2(6x-18)!=0

x∈R



We get rid of parentheses

1/2(6x-18)-5x-21=0

We multiply all the terms by the denominator


-5x*2(6x-18)-21*2(6x-18)+1=0

Wy multiply elements

-10x^2(6-42x(6+1=0

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