SOLUTION: Find two numbers whose sum is 92 if the first is four more than seven times the second.

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Question 98140: Find two numbers whose sum is 92 if the first is four more than seven times the second.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=92
x=7y+4
replace x with 7y+4 in the 1st equation. 7y+4+y=92
subtract 4 from each side. 8y=88
divide 8 into each side. y=11, x=7*11+4=81
Ed