Simplify -4/7+(-4/3)=

-7/3 = -2  1/3

Step-by-step explanation:

-4/7+(-4/3)

We need to get a common denominator of 21

-4/7 *3/3 = -12/21

-4/3 *7/7 = -28/21

Add them together

-12/21 + -28/21 = -49/21

Divide the top and bottom by 7

-7/3

We can change this from an improper fraction to a mixed number

-2 1/3

a

step-by-step explanation:

-8/2y-8=5/y+4-7y+8/y^2-16

we move all terms to the left:

-8/2y-8-(5/y+4-7y+8/y^2-16)=0

we can not solve this equation