3=-10/7x

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Solution for 3=-10/7x equation: 



3=-10/7x

We move all terms to the left:

3-(-10/7x)=0



Domain of the equation: 7x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

10/7x+3=0

We multiply all the terms by the denominator


3*7x+10=0

Wy multiply elements

21x+10=0

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

21x=-10

x=-10/21

x=-10/21

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