Answer:
1
Step-by-step explanation:
Group the negative numbers.
-6 + -9 + -1 = -16
Then group the positive numbers
5+12= 17
Subtract
17-16=1
9- x=20 20 divided by 2 equals 10. 10+8=18
10- I would say that x=3 because 3x3=9. If you add 9 and 12 together it’s 21. 21 is less than 64.
Hope that helps!
Answer:
40
Step-by-step explanation: