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1/4x+2/5x=31/4x
We move all terms to the left:
1/4x+2/5x-(31/4x)=0
Domain of the equation: 4x!=0
x!=0/4
x!=0
x∈R
Domain of the equation: 5x!=0
x!=0/5
x!=0
x∈R
Domain of the equation: 4x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
1/4x+2/5x-(+31/4x)=0
We get rid of parentheses
1/4x+2/5x-31/4x=0
We calculate fractions
(-155x+1)/20x^2+8x/20x^2=0
We multiply all the terms by the denominator
(-155x+1)+8x=0
We add all the numbers together, and all the variables
8x+(-155x+1)=0
We get rid of parentheses
8x-155x+1=0
We add all the numbers together, and all the variables
-147x+1=0
We move all terms containing x to the left, all other terms to the right
-147x=-1
x=-1/-147
x=1/147
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