anyone know this

Question

Twice the difference of a number and
5
is greater than or equal to
30
.

Answer 1

Hello,

2 (x - 5) >= 30

2x - 10 >= 30 

2x >= 40

x >= 20 

Check our work:

2 (20 - 5) >= 30 

2 (15) >= 30  

Yes, it proofs. 

I hope I helped and wish you a great Friday and weekend.