Answer:
i believe its 7 + x < 20
Step-by-step explanation:
MN = 48
Since AB is a diameter , so it divides MN into 2 equal parts i.e. MO = NO
7x-4 = 6x
7x-6x = 4
x = 4
Now
MN = MO + NO
MN = 7x-4+6x
MN = 7(4)-4+6(4)
MN = 28-4+24