SOLUTION: solve each system of equation 9y=8x-19 8x+11=2y^2+5y
Algebra
->
Systems-of-equations
-> SOLUTION: solve each system of equation 9y=8x-19 8x+11=2y^2+5y
Log On
Algebra: Systems of equations that are not linear
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Systems-of-equations
Question 873386
:
solve each system of equation
9y=8x-19
8x+11=2y^2+5y
Answer by
ewatrrr(24785)
(
Show Source
):
You can
put this solution on YOUR website!
9y=8x-19 8x =
8x+11=2y^2+5y
(9y+19) + 11 = 2y^2 + 5y
2y^2 - 4y +30 = 0
y^2 - 2y + 15 = 0
(y + 3)(y-5) = 0,
x = -3, 5
y =
y =
= -43/9
y =
= 21/9 = 7/3