No es el 3 pero si es el numero 7
Answer:
A, C, D
Step-by-step explanation:
Answer:
The solution is (x,y)=(-4,-1)
Step-by-step explanation: Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.
7x^2 - 32x - 60
Factor by grouping,
(x - 6) (7x + 10)