7(3+4x)=2x+21

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Solution for 7(3+4x)=2x+21 equation: 



7(3+4x)=2x+21

We move all terms to the left:

7(3+4x)-(2x+21)=0

We add all the numbers together, and all the variables

7(4x+3)-(2x+21)=0

We multiply parentheses

28x-(2x+21)+21=0

We get rid of parentheses

28x-2x-21+21=0

We add all the numbers together, and all the variables

26x=0

x=0/26

x=0

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