Question

If 5 - 2x = 21, then what is the value of 3 - x?

Answer 1

21-5=16
16/-2=-8
x=8
so 3-(-8)=3+8
=11

Answer 2

Answer:

11

Step-by-step explanation:

first solve 5-2x=21

subtract 5 on both sides to get

-2x=16, then divide -2 on both sides to get

x= -8 then

3-(-8) which is 3+8=11