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

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

Can you answer these? I don't understand this part either. Thanks-example-1
User DURGESH
by
7.6k points

2 Answers

6 votes

9x+10=12x-11\\ 3x=21\\ x=7\\\\ 3(x-8)=5x+7\\ 3x-24=5x+7\\ 2x=-31\\ x=-(31)/(2)
User Funonly
by
8.4k points
6 votes

9x+10=12x-11
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


3(x-8)=5x+7

3x-24=5x+7

3x-5x=7+24

-2x=31

x=- (31)/(2)
User Jeff Johnson
by
7.6k points
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