Answer:
-0.9
Step-by-step explanation:
(-3.4+4.3)+a=0
0.9+a=0
a=0-0.9
a=-0.9
Step-by-step explanation:
Answer:
The Answer:
.
Step-by-step explanation:
x+2y=z
minus x both sides
2y=z-x
divide by 2 both sides
The Answer:

Answer:
10, 20, 6
Step-by-step explanation:
10 times 2 is 20 which is greater than 10, 20 times 2 is 40 which is greater than 10, and 6 times 2 is 12 which is also greater than ten.
Ask your teacher for help you didn't give us a lot of details at all . Sorry I could help you .