Answer:
a
Step-by-step explanation:
When you add integers, you keep the sign on the sum.
For example:
-9 + -9 = -18 (kept the sign)
9 + 9 = 18 (kept the "sign")
Answer:
x=y-9....1
5x-6y=-1.....2
putting the value of x in eqn 2
5y-45-6y=-1
-y=44
y=44
Answer:
a and c
Step-by-step explanation:
because i know