Answer:
4
Step-by-step explanation:
First, subtract 4 from both sides, then divide by 2 to isolate the variable.

Answer:3(x-9) is expressed as 3x-27
Step-by-step explanation: 3(Xminus9)
3(X-9)
Use 3 to open the bracket by using 3 to multiply everything in the bracket.
Then you will get
3x-27
Width plus 6 feet is the answer to the problem
>-1 means 'Greater than -1'. So, the numbers like 0,1,2,3,.... and so on are signified by '>-1'. So, >-1 signifies all the numbers to the right of -1. That is, Option (d). Also, 0 is located to the right of -1.