1/3(21+x)=23

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Solution for 1/3(21+x)=23 equation: 



1/3(21+x)=23

We move all terms to the left:

1/3(21+x)-(23)=0



Domain of the equation: 3(21+x)!=0

x∈R



We add all the numbers together, and all the variables

1/3(x+21)-23=0

We multiply all the terms by the denominator


-23*3(x+21)+1=0

Wy multiply elements

-69x(x+1=0

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