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12+1/4x-15-(-18-1/2x)=18.5
We move all terms to the left:
12+1/4x-15-(-18-1/2x)-(18.5)=0
Domain of the equation: 4x!=0
x!=0/4
x!=0
x∈R
Domain of the equation: 2x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
1/4x-(-1/2x-18)+12-15-(18.5)=0
We add all the numbers together, and all the variables
1/4x-(-1/2x-18)-21.5=0
We get rid of parentheses
1/4x+1/2x+18-21.5=0
We calculate fractions
2x/8x^2+4x/8x^2+18-21.5=0
We add all the numbers together, and all the variables
2x/8x^2+4x/8x^2-3.5=0
We multiply all the terms by the denominator
2x+4x-(3.5)*8x^2=0
We add all the numbers together, and all the variables
6x-(3.5)*8x^2=0
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