Question

af x = 1, y = 2
and z=5,
find
the value of
ci 3x - 2y +42​

Answer 1

Answer:

x=1,y=2, z=5

so, 3x-2y+4z

=(3*1)-(2*2)+(4*5)

=3-4+20

=19 (ans )

Answer 2

Answer:

3-4+42= -43

Explanation:

3x=3×1

2y=2×2

42