Answer:
addition is commutative. 4+(6+(-2)=8 whiles
Step-by-step explanation:
4+6-2=8
Answer:
D
Step-by-step explanation:

Answer: Check explanation
Step-by-step explanation: -g-6, 9d+3, -12y+20, 14n-29, -2c, x+21/2
Answer:

Step-by-step explanation:
Let x be the number
- Write it out: -26x - 22 = x - 90
- Combine like terms: -27x + 68 = 0
- Subtract 68 from each side, so it now looks like this: -27x = -68
- Divide each side by -27 to cancel out the -27 next to x. It should now look like this:
I hope this helps!
16 rounded to the nearest number is 20 im not sure if i helped you though