SOLUTION: 80 decreased by 3 times a number is 56. what is the number?

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Question 227368: 80 decreased by 3 times a number is 56. what is the number?
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
80-3x=56

Subtract 80 from each side:
-3x = 56-80
-3x=-24

Divide both sides by -3:
%28-3x%29%2F-3=%28-24%29%2F-3

x=8

R^2

Dr. Robert J. Rapalje