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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

8x-(7x+21)+14=0

We get rid of parentheses

8x-7x-21+14=0

We add all the numbers together, and all the variables

x-7=0

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

x=7

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