Question

Answer 1

\(\Leftrightarrow\dfrac{x+2}{7}=\dfrac{y-1}{14}=\dfrac{-3}{7}\)

=>x+2=-3; y-1=-6

=>x=-5; y=-5

Answer 2

`+), 35y - 35 = -15 xx 14`

` 35y - 35 = -210`

` 35y = -175`

` y = -5`

`+), 35x + 70 = - 105`

`=> 35x = -175`

`=> x = -5`.