Question

Solve
x + 4y = 6
-y + z = 2
x + z = 5

Answer 1

SUbtract 3rd equation from 2nd equation

Answer 2

you will get an equation in x and y as -(x+y)=-3
so,x+y=3

Answer 3

solve this with first
x+4y=6..................(1)
x+y=3.....................(2)
subtract 2 from 1::
3y=3
y=1

put the value of y in 2 ,we get:
x+1=3
x=2

Answer 4

put the value of x in 3rd equation ie x+z=5
ie 2+z=5
z=3

Answer 5

ya right????????