SOLUTION: Can you help explain how to work this problem? -7(a-8)=28

Question 173562: Can you help explain how to work this problem?
-7(a-8)=28
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
first thing you have to do is distribute the left side
:
of the equation. mult property of distribution states a(b+c)=ab+ac..so lets use this property
:
-7(a-8)=-7a+56
:
now subtract 56 from both sides
:
combine terms on right side
:
now divide both sides by -7
:

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