2/5x+4=7

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Solution for 2/5x+4=7 equation: 



2/5x+4=7

We move all terms to the left:

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



Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R



We add all the numbers together, and all the variables

2/5x-3=0

We multiply all the terms by the denominator


-3*5x+2=0

Wy multiply elements

-15x+2=0

We move all terms containing x to the left, all other terms to the right

-15x=-2

x=-2/-15

x=2/15

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