SOLUTION: I have 4-5(10-9v) for homework but I don't under stand it.Does it means I subtract 5 from 4 to get -1 and multiply that to the numbers in the parentheses, or do I multiply the 4-5

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Question 813639: I have 4-5(10-9v) for homework but I don't under stand it.Does it means I subtract 5 from 4 to get -1 and multiply that to the numbers in the parentheses, or do I multiply the 4-5 with the 10 to get 40-50, and then do that do 9v to get 36v-45v, to have a result of 40-50 - 36v-45v,which would equal -10+9v?Or do is it just -5(10-9v) & then when I find the answer I subtract it from 4?I'm so confused.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi,

4  -5(10-9v)  |Treat the Parenthesis First 

 4 - 50 + 45v

  -46 + 5v

0r  5v - 46 

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