1/2x+3/2x+7=21

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Solution for 1/2x+3/2x+7=21 equation: 



1/2x+3/2x+7=21

We move all terms to the left:

1/2x+3/2x+7-(21)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We add all the numbers together, and all the variables

1/2x+3/2x-14=0

We multiply all the terms by the denominator


-14*2x+1+3=0

We add all the numbers together, and all the variables

-14*2x+4=0

Wy multiply elements

-28x+4=0

We move all terms containing x to the left, all other terms to the right

-28x=-4

x=-4/-28

x=1/7

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