Question

2х - 5 y = - 6
Чx - 3 = - 12.

Answer 1

Explanation:

2x -5y = -6 === (1)

4x-3 =-12 ====(2)

From (2), 4x= -12 +3

4x= -9

x= -2
`(1)/(4)`

Subst x= -2
`(1)/(4)` in (1), 2(-2
`(1)/(4)`) - 5y = -6

-4
`(1)/(2)` -5y = -6

-5y = -6 +4
`(1)/(2)`

-5y = -1
`(1)/(2)`

y = 0.3