Make them both improper fractions.
77/10 - 19/5
Give them common denominators (multiply the second fraction by 2)
77/10 - 38/10
Subtract
39/10 = 3 9/10
6 (2x + 3y-4z)
Step by step explanation:
6 (2x + 3y-4z)
im prob wrong-
The answer is B. The last too are both negative. So they are not true numbers.
1 tenth if you are talking about the decimal