Question

could anyone help me solve this problem step by step please ???

the problem is below please

Answer 1

-2/5x-9\[<\]9/10

Answer 2

myalgebra.com its really helpful

Answer 3

thanks

Answer 4

x<27/4??

Answer 5

just cross-multiply them to get:\[(-2)(10)<(9)(5x-9)\]\[-20<45x-81\]\[61<45x\]\[61/45<x\]\[x>61/45\]

Answer 6

its actually x,-99/4

Answer 7

do u know the steps for x,-99/4

Answer 8

Better be careful here about that cross multiplication deal. Do you know if 5x-9 is positive or negative?

Answer 9

negative i think

Answer 10

I don't think you know. That is exactly the point.

Answer 11

what

Answer 12

That you have to consider 2 cases. The first case is if 5x-9 is positive.

Answer 13

The second case is if 5x-9 is negative.

Answer 14

Let's take the first case.