Can you answer these? I don't understand this part either. Thanks

asked May 26, 2015 204k views

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$9x+10=12x-11\\ 3x=21\\ x=7\\\\ 3(x-8)=5x+7\\ 3x-24=5x+7\\ 2x=-31\\ x=-(31)/(2)$

Funonly answered May 28, 2015

8.4k points

6 votes

We put 12x on the left side and 10 on right side

9x-12x=-11-10

Now we add x and free numbers

-3x=-21

And our result is:

x=7

Jeff Johnson answered May 30, 2015

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