Question

Find the value of following expression
18y + 27x − 21 for x = −1, y = 2

Answer 1

Answer:

-12

Step-by-step explanation:

substituting the values

18(2) + 27(-1) -21

= 36 -27 -21

= 9 - 21

= -12

Answer 2

First of all substitutes the value of x and y in the given equation.Then,
18(2)+27(-1)-21
=36-27-21
=36-48
=-12 is the value of the equation