3 years ago

Nine times the difference of a number and one is equal to seven less than two times the number

1 answer:

8 0

9*(x-1)=2x-7
First get rid of your parenthesis by distributing.
9x-9=2x-7
Then all you have to do is isolate the variable
9x=2x+2
7x=2
so x= 2/7

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