Question

How do you solve the following system?: `7y=4- 2x , 3x + y = -1`

Answer 1

`(-11/19, 14/19) in mathbb{Q times Q}`

Explanation:

`y = -1 - 3x`

`7(-1-3x) = 4 - 2x`

`-7 - 4 = - 2x + 21x`

`-frac{11}{19} = x`

`y = -1 -3(-11/19) = frac{-19+33}{19}`