Answer :
Answer: -21
Step-by-step explanation:
Let the number be x.
Then, this means 2(x+8)+5=x.
- 2x+16+5=x [distributive property]
- 2x+21=x [combine like terms]
- x+21=0 [subtract x from both sides]
- x= - 21 [subtract 21 from both sides]
Answer: -21
Step-by-step explanation:
Let the number be x.
Then, this means 2(x+8)+5=x.