Question

Three times a first number is decrease by second number is 22.
The first number is increase by twice number is -9. Find the two numbers

Answer 1

3x-y=22
x+2y=-9

Answer 2

solve the system

Answer 3

try by multiplying 1º equation by 2 and later adding bouth equations

Answer 4

I got 5,-7

Answer 5

6x-2y=44
x+2y =-9
----------- +
7x=35
so x=5
from 2º equation:
5+2y=-9
2y=-14
so y =-7

you are right