3/7x+3=-4/7x

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Solution for 3/7x+3=-4/7x equation: 



3/7x+3=-4/7x

We move all terms to the left:

3/7x+3-(-4/7x)=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R





Domain of the equation: 7x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

3/7x+4/7x+3=0

We multiply all the terms by the denominator


3*7x+3+4=0

We add all the numbers together, and all the variables

3*7x+7=0

Wy multiply elements

21x+7=0

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

21x=-7

x=-7/21

x=-1/3

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