Question

Question #9aa5b

Answer 1

`x=3, y=-3`

Explanation:

`3x+4y=-3color(white)(aaa)`Multiply by 5
`15x+20y=-15` Eqn (1)
`5x+3y=6 color (white )(@@@@)`Multiply by 3
`15x+9y=18` Eqn (2)
Subtracting Eqn (2) from (1) and eliminating x,
`11y=-33`, `y=-3`
Substituting in Eqn (1),
`15x=45`, `x=3`