7+2/5y=2/5y-4

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Solution for 7+2/5y=2/5y-4 equation: 



7+2/5y=2/5y-4

We move all terms to the left:

7+2/5y-(2/5y-4)=0



Domain of the equation: 5y!=0

y!=0/5

y!=0

y∈R





Domain of the equation: 5y-4)!=0

y∈R



We get rid of parentheses

2/5y-2/5y+4+7=0

We multiply all the terms by the denominator


4*5y+7*5y+2-2=0

We add all the numbers together, and all the variables

4*5y+7*5y=0

Wy multiply elements

20y+35y=0

We add all the numbers together, and all the variables

55y=0

y=0/55

y=0

Równanie nie ma rozwiązania

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