Answer:
66
Step-by-step explanation:
Answer:
the answer is B. i do a method called "Butterfly"
Step-by-step explanation:
40
........................
Answer:
4 and 5
Step-by-step explanation:
Make a system of equations:
x+y=9
x-y=-1
x=9-y
9-y-y=-1
9-2y=-1
-2y=-10
y=5
Since y=5, x must be 4 since 4+5=9 and 4-5=-1
Hope this helped!
Answer:
Step-by-step explanation:
subtract the 2x to get 3y = -2x+6
Divide By 3 to get y = (-2/3)x + 2