Question

please solve number 2 ad 4​

Answer 1

Answer:

In second no question you need to put the value of x,y,z given respectively and in question no 4 you need to put the value of z which is -2.

Step-by-step explanation:

x+y+z=1+2+3 and the answer will be 6.

Answer 2

Answer:

x+y+z

-1+2+(-3)

=-1+2-3

=-1-3+2

=-4+2

=-2

2x-3y+6z

={2×(-1)} -{3×2} +{6×(-3)

=-2-6+(-18)

=-8-18

=-26