2(2.5b-9) + 6b= -7 what is b

6 answers

2(2.5b-9) + 6b= -7

5b - 18 + 6b = -7
11b = -7 + 18
11b = 11
b = ?
what does b equal
11/11 = b
2(2.5b-9) + 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