7x=5x-7/4x

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Solution for 7x=5x-7/4x equation: 



7x=5x-7/4x

We move all terms to the left:

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



Domain of the equation: 4x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

7x-5x+7/4x=0

We multiply all the terms by the denominator


7x*4x-5x*4x+7=0

Wy multiply elements

28x^2-20x^2+7=0

We add all the numbers together, and all the variables

8x^2+7=0

a = 8; b = 0; c = +7;
Δ = b2-4ac
Δ = 02-4·8·7
Δ = -224
Delta is less than zero, so there is no solution for the equation

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