Answer:
60
Step-by-step explanation:
AOC= AOB+ BOC
104= 7x+30 +9x+42
104= 16x+72
subtract both sides by 72
104-72=16x
32=16x
divide both sides by 16
x=2
BOC= 9(2) +42
BOC= 60
Answer:14
Step-by-step explanation:
x-1/2=x/4+3 multiply left and right side of equation with 4 you get:
4x-2=x+12
------------------
4x-2=x+12
4x-3x=12+2
x=14
Answer:
c
Step-by-step explanation:
4, 3, 1, 2 are the answers
(3)14. 32 ×21 = 96
8. 32
__. 64
112
112/96 <--the original answer
56/48
28/24
14/12
7/6 <--simplified answer