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09-12-2019
Mathematics

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2/5(10b - 15) = 4 explain the answer

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nina6174 nina6174

09-12-2019

Answer:

2.5

Step-by-step 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

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