Answer:
(8,6)
Step-by-step explanation:
Solve by elimination!
-2x-y=-22
2x-6y=-20
cross out, and merge!
-7y=-42
y = 6
Plugin y in one equation (I choose the easy one XD)
-2x-6=-22
-2x=-16
x = 8
Answer:
-3
Step-by-step explanation:
Basically it's like if you owe a dollar (-1), and then you owe 2 more dollars (-2), now you owe 3 dollars (-3).
I think its 73Z0.2! because i think u need to add up what u have to make up something else, if u know what im saying... I hope this explanation helps!!! ;-)