Answer:
18
Step-by-step explanation:
b/2-5=4 ADD 5 TO BOTH SIDES
+5 +5
b/2=9
b/2=9/1 CROSS MULTIPLY
b=18
b = 18
b/2 - 5 = 4
b/2 = 4 + 5
b/2 = 9
b = 9 x 2