2x+21+7x-43=7x

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Solution for 2x+21+7x-43=7x equation: 



2x+21+7x-43=7x

We move all terms to the left:

2x+21+7x-43-(7x)=0

We add all the numbers together, and all the variables

2x-22=0

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

2x=22

x=22/2

x=11

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