199k views
4 votes
2/5(10b - 15) = 4 explain the answer

User Jfollas
by
6.7k points

1 Answer

0 votes

Answer:

2.5

Explanation:

You need to distribute.

2/5*10b= 4b

2/5*-15= -6

4b-6=4

Add 6 on both side

4b=10

10/4=2.5

b=2.5

User Paul Annetts
by
7.2k points