Question

the product of twice a number and five is the same as the difference of nine times the number and 1/9

Answer 1

Solution

For this case we can assume that y= number

5* 2y= 9y -1/9

And then we can solve for y on this way:

10 y= 9y -1/9

10y- 9y = 1/9

y = 1/9