Problema Solution
one number is nine more than a second number. five times the first is 6 less than 4 times the second. find the numbers.
Answer provided by our tutors
let 'x' and 'y' be the numbers
one number is nine more than a second number
x = 9 + y
five times the first is 6 less than 4 times the second
5x = 4y - 6
by solving the system of equations
x = 9 + y
5x = 4y - 6
we find
x = - 42
y = - 51
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