Problema Solution

four times a first number decreased by a second number is -34. The first number increased by twice the second number is -13. Find the numbers

Answer provided by our tutors

let 'x' and 'y' represent the numbers


four times a first number decreased by a second number is -34:


4x - y = - 34


the first number increased by twice the second number is -13:


x + 2y = -13


by solving the system of equations:


4x - y = - 34


x + 2y = -13


we find:


x = -9


y = -2


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the numbers are -9 and -2.