Question

3х - 2y = 5
2x-3y = 7​

Answer 1

Answer:

3x-2y=5—(1)

2x-3y=7—(2)

As the constants are in reverse order in the equations,

By adding (1),(2)

3x+2x-2y-3y=5+7

5x-5y=12

(x-y)=12/5——(3)

By subtracting (1),(2)

3x-2y-2x+3y=5-7

x+y= -2——(4)

From(3),(4)

x+y= -2

x-y =2.4

_______

2x=0.4

x=0.2

_______

Sub x=0.2 in (4)

x-y=2.4

0.2-y=2.4

-y=2.2

y=-2.2