Answer:
5.5
Step-by-step explanation:
7.5
i finished the test:)
4.5
4n - 6 = 12
add +6 to both sides
4n = 18
divide by 4
4/4n = 18/4
n = 4.5
64-5 divided by 64-3 is 59 divided by 61. 59
8 squared is equal to 64. -----
61
7.875......7.9.....or 8
-3÷2×-21÷4= 7.875
63÷8=7.875