3/7(5-3x)=21

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Solution for 3/7(5-3x)=21 equation: 



3/7(5-3x)=21

We move all terms to the left:

3/7(5-3x)-(21)=0



Domain of the equation: 7(5-3x)!=0

x∈R



We add all the numbers together, and all the variables

3/7(-3x+5)-21=0

We multiply all the terms by the denominator


-21*7(-3x+5)+3=0

Wy multiply elements

-147x(-+3=0

We use the square of the difference formula

-147x(-3=0

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