Question

Solve for x,y and z :x+y=4,y+z=1,z+x=1

Answer 1

Answer:

Step-by-step explanation:

x+y=4 -------------(1)

y+z=1 --------------(2)

z+x=1  -------------(3)

(1) - (2)

x-z=3 ---------------(4)

(3) +(4)

2x=4

x=2

y=2

z= -1

Answer 2

Answer:

Step-by-step explanation:

x+y=4 -------------(1)

y+z=1 --------------(2)

z+x=1  -------------(3)

(1) - (2)

x-z=3 ---------------(4)

(3) +(4)

2x=4

x=2

y=2

z= -1