Find expert answers and community-driven knowledge on IDNLearn.com. Receive prompt and accurate responses to your questions from our community of knowledgeable professionals ready to assist you at any time.

How do you solve and check it
-5 - 5y =0
y=8x


Sagot :

-5-5y=0
y=8x

substitute the value of y
-5-5(8x)=0
-5-40x=0
add 5 to both sides.
-40x=5
divide both sides by -40
x=-5/40
simplify gcf=5
x=-1/8


checking:
Y=8x
y=8(-1/8)
y=-1
Substitute it to the 1st equation
-5-5(-1)=0
-5+5=0
0=0