7th grade
posted by Daniel .
2(2.5b9) + 6b= 7 what is b

2(2.5b9) + 6b= 7
5b  18 + 6b = 7
11b = 7 + 18
11b = 11
b = ? 
what does b equal

11/11 = b

2(2.5b9) + 6b= 7
5B 18 +6B= 7
Add the B's
11B 18=7
+18 +18
11B= 11
Divide by 11 each side to get
B=1 
i need help on probability in math

B equal I don't care