Question

1. If x=1 and y =2, find the values of the following expressions : (i) 4x + 5y - 7 (ii) 2x - y -3 ​

Answer 1

Step-by-step explanation:

x=1 , y=2

4x+5y-7 =

=4×1 +5×2-7

=4+10-7

=7

2x-y-3

=2×1-2-3

=2-5

= -3

MARK ME BRAINLIEST

Answer 2

Answer:

hope it helps you

Step-by-step explanation:

answer in picture