-8*-(-5a)=15

Name: shelby
Who is asking: Student
Level: Middle

Question:
-8*-(-5a)=15

i cannot get this question!! please help me!! quick!!

Hi Shelby,

First you need to remove the parentheses.

-(-5a) = (-1)(-5a) = (-1)(-5)(a) = 5a

Hence

-8*-(-5a) = (-8)*(5a) = -40a

Thus your problem is to solve -40a = 15 for a.

Cheers
Harley