Question

Evaluate 3x +9y +2z , when x = 2 ; y = -2 & z = -3 *

Answer 1

Answer:

-18

Step-by-step explanation:

3(2)+9(-2)+2(-3)

6-18-6

6-24

-18

Answer 2

Answer:

given,

x=2

y= -2

z= -3

find 3x + 9y + 2z

Step-by-step explanation:

putting the value of x,y,z in their respective places:

=3*2+9*(-2)+2*(-3)

=6+(-18)+(-6)

=6-18-6

=6-6-18

=0-18

=-18 (answer)

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