1/2(5x-9)+3=21

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Solution for 1/2(5x-9)+3=21 equation: 



1/2(5x-9)+3=21

We move all terms to the left:

1/2(5x-9)+3-(21)=0



Domain of the equation: 2(5x-9)!=0

x∈R



We add all the numbers together, and all the variables

1/2(5x-9)-18=0

We multiply all the terms by the denominator


-18*2(5x-9)+1=0

Wy multiply elements

-36x(5+1=0

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