9x+21=25+7x+18

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Solution for 9x+21=25+7x+18 equation: 



9x+21=25+7x+18

We move all terms to the left:

9x+21-(25+7x+18)=0

We add all the numbers together, and all the variables

9x-(7x+43)+21=0

We get rid of parentheses

9x-7x-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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