Question

simplify:
b+c=-5
9b+4c=-60​

Answer 1

Answer:

mmmmmmmmmmmmmmmmmmm

Answer 2

Answer:

-8

Step-by-step explanation:

4b+4c=-20

9b+4c=-60

-20-4b=-60-9b

or, -4b+9b=-60+20

or, 5b=-40

or, b=-40/5

=-8