Use elimination to solve the system of equations given by 3x+ 4y= 5 and 21x+ 28y= 35.

(5/4-3/4)

divide both sides by -7 then line them up and solve the equation and delete one variable.

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.