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1400=2/5x
We move all terms to the left:
1400-(2/5x)=0
Domain of the equation: 5x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+2/5x)+1400=0
We get rid of parentheses
-2/5x+1400=0
We multiply all the terms by the denominator
1400*5x-2=0
Wy multiply elements
7000x-2=0
We move all terms containing x to the left, all other terms to the right
7000x=2
x=2/7000
x=1/3500
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