Problema Solution

Twice a first number decreased by a second number is 6. The first number increased by three times the second number is -25. What are the numbers?

Answer provided by our tutors

let 'x' and 'y' represent the numbers


Twice a first number decreased by a second number is 6


2x - y = 6


The first number increased by three times the second number is -25


x + 3y = -25


by solving the system of equations


2x - y = 6

x + 3y = -25


we find


x = - 1


y = - 8


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the numbers are -1 and -8.