Answer:
72 and -2
Step-by-step explanation:
x - y = 74
2x + 3y = 138
x - y = 74
y = x - 74
2x + 3(x - 74) = 138
2x + 3x - 222 = 138
5x = 360
x = 72
x - y = 74
72 - y = 74
-y = 2
y = -2
Answer:
a
Step-by-step explanation:
;)
Answer: 31
How: If there are two negative signs like this, you would connect them together and make it into a addition sign where you then can add them.
Here they are:
36,16,81,64
Answer:
70000
Step-by-step explanation:
