Answer:
8x+4
Step-by-step explanation:
4(2x+1)=8x+4
Answer:
Alvin 46, Elga 23.
Step-by-step explanation:
.
Hello!
Let's write this as a proportion below.

Now we cross multiply and divide to find x.

≈ 61
Therefore,the car takes about
61 seconds for the car to drive a mile.
I hope this helps!
No, it is not. Using the distributive property, multiply 2 to 3x and -5 to get 6x-10. 6x-8 does not equal 6x-10, they have the same coefficient by not the same constant.