SOLUTION: one number is 3 less than a second number. twice the second number is 12 less than 5 times the first. find the two numbers

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Question 274621: one number is 3 less than a second number. twice the second number is 12 less than 5 times the first. find the two numbers
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
a=one number
b=second number
a=b-3
2b=5a-12
substitute and solve
2b=5(b-3)-12
2b=5b-15-12
-3b=-27
b=9
a=b-3
a=9-3
a=6