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1/2(2x+2x)=21/2
We move all terms to the left:
1/2(2x+2x)-(21/2)=0
Domain of the equation: 2(2x+2x)!=0We add all the numbers together, and all the variables
x∈R
1/2(+4x)-(+21/2)=0
We get rid of parentheses
1/2(+4x)-21/2=0
We calculate fractions
=0
x=0/1
x=0
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