7(x+3)=3x+1

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Solution for 7(x+3)=3x+1 equation: 



7(x+3)=3x+1

We move all terms to the left:

7(x+3)-(3x+1)=0

We multiply parentheses

7x-(3x+1)+21=0

We get rid of parentheses

7x-3x-1+21=0

We add all the numbers together, and all the variables

4x+20=0

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

4x=-20

x=-20/4

x=-5

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