9x+1=7x+9

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Solution for 9x+1=7x+9 equation: 



9x+1=7x+9

We move all terms to the left:

9x+1-(7x+9)=0

We get rid of parentheses

9x-7x-9+1=0

We add all the numbers together, and all the variables

2x-8=0

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

2x=8

x=8/2

x=4

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