The answer should be the second one
Answer:
4
Step-by-step explanation:
first multiply
12x - 21 = 27
add 21 to both sides
12x = 48
Then divide!
Answer:
-8, 8 are the numbers
Step-by-step explanation:
8x-8 = -64
8+ -8 =0
Answer:
18
Step-by-step explanation:
Rounding it off to nearest 10th place . Since the decimal value is 5 it will round off to +1 , That becomes , 17 + 1 = 18