-3/7x=-21

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Solution for -3/7x=-21 equation: 



-3/7x=-21

We move all terms to the left:

-3/7x-(-21)=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R



We add all the numbers together, and all the variables

-3/7x+21=0

We multiply all the terms by the denominator


21*7x-3=0

Wy multiply elements

147x-3=0

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

147x=3

x=3/147

x=1/49

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