Question

8. If x = 1, y = 2 and z = 3 then find the value of each of the following.
(i) 2x + 3y +7z (ii) x - 2y - 3z (iii) -6x + 4y -5z +3​

Answer 1

Answer:

1)29

2)-13

3)-10

EXPLANATION:

substitute in the place of x,y and z