3(5x+7)=21+5x

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



3(5x+7)=21+5x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

15x-(5x+21)+21=0

We get rid of parentheses

15x-5x-21+21=0

We add all the numbers together, and all the variables

10x=0

x=0/10

x=0

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