Answer:
u^2 +7u -8=0 where u = 3x+2
Step-by-step explanation:
(3x+2)^2 + 7(3x+2) - 8=0
Let 3x+2 = u
u^2 +7u -8=0
Answer:
just calculate
Step-by-step explanation:
Answer:
C. Add the equations
Step-by-step explanation:
Adding both the equations will help eliminating 5y.