Question

If a=x+4,b=9-x,c=x then 2a - b - 3c =?​

Answer 1

Answer:

2a-b-3c

putting value of a b c

2(x+4)-(9-x)-3(x)

2x+8-9+x-3x

2x+x-3x+8-9

3x-3x-1

0-1

-1