Add the following.2/9and - 4/15

-2/45

Step-by-step explanation:

2/9 + (-4/15) =

= 2/9 - 4/15

The LCD is 45.

= 2/9 * 5/5 - 4/15 * 3/3

= 10/45 - 12/45

= -2/45

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.