Question

7. Simplify the following expressions and find their
values for x = 2 and y = -2.
a. 3 (x - y) + 4x – y b. 2 (1 – y) + 3 (x – 1) – 10​

Answer 1

AS WE KNOW X =2 AND Y=-2

SO,

A)3(2+2)+4*2+2

12+12=24

B)2*1+2+3*2-1-10

6+3-10=-1

Answer 2

Answer:

a)3×2+2+4×2+2

=3×4+8+2

= 12+10

= 22