7x+21=5x+43

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Solution for 7x+21=5x+43 equation: 



7x+21=5x+43

We move all terms to the left:

7x+21-(5x+43)=0

We get rid of parentheses

7x-5x-43+21=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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