SOLUTION: 3x-8y=-21 x=2-1/3y

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: 3x-8y=-21 x=2-1/3y       Log On


   

Question 957004: 3x-8y=-21 x=2-1/3y
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
x=2-1/3y
3x-8y=-21 Substitute for x.
3(2-(1/3)y)-8y=-21
6-y-8y=-21
-9y=-27
y=3 ANSWER 1: y=3
x=2-1/3y
x=2-(1/3)3
x=2-1=1 ANSWER 2: x=1
CHECK:
3x-8y=-21
3(1)-8(3)=-21
3-24=-21
-21=-21