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3+1/2x+4=4x-21/2
We move all terms to the left:
3+1/2x+4-(4x-21/2)=0
Domain of the equation: 2x!=0We add all the numbers together, and all the variables
x!=0/2
x!=0
x∈R
1/2x-(+4x-21/2)+3+4=0
We add all the numbers together, and all the variables
1/2x-(+4x-21/2)+7=0
We get rid of parentheses
1/2x-4x+7+21/2=0
We calculate fractions
-4x+7=0
We move all terms containing x to the left, all other terms to the right
-4x=-7
x=-7/-4
x=1+3/4
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