Question

x+y=5 ,2x-3y=4 by using cross multiplication method​

Answer 1

Answer:

1. x+y=5
2. 2x-3y=4,2(x+y)=2x5

3.2x+2y=10

2x-3y=4

2x+2y=10

(-). (-). (-)

(-5y)=(-6)

-5y=-6

5y=6

y=5

6

putting=6

5 in (1)

x+y=5

x+6

5 =(5)

x=5 -6

5

x=5x5-6

5

x=25-6

5

x=19

5

hence,x=19

5

y=6

5