Question

find the value of the following, if x- 2 and y - -1
i) 5x-2y
ii) 3x+2y​

Answer 1

Step-by-step explanation:

if x = 2 , y = -1

i) 5x - 2y

putting the values,

5*2 - 2*(-1)

= 10 - (-2)

= 10 + 2

= 12

ii) 3x + 2y

putting the values,

3*2 + 2*(-1)

= 6 + (-2)

= 6 - 2

= 4