Question

9X + 4X=10 , х+у = 6​

Answer 1

9x+4x=10..........(1)

x+y=6

multiplying both sides by 9

9x+9y=54...............(2)

substracting (1) from (2)

We get

5y=44

y=44/5

and x=6-y

ie x=6-44/5

x=39-44/5

x=-1