Hey there!
This equation has infinite solutions.
To solve for this equation, first add -7 to both sides in order to get rid of the constant:
2x-2x-7=-7
2x-2x=0
Now, combine your like terms or add 2x and -2x together:
2x-2x=0
0=0
Because you result in a true mathematical statement (0 is equal to itself), you have an infinite amount of solutions or all real solutions.
To check if this is true, plug in any number in place of x in the original staeltement to see if you result in a true statement:
Let's say x is 5
2(5)-2(5)-7=-7
10-10-7=-7
-7=-7
This proves that you have infinite solutions for your equation. :)
Answer:
$18000
Step-by-step explanation:
To find the do $30000/5 ( do divide the price into 5 parts)
30000/5
6000
5/5 minus 2/5
3/5
6000 times 3
18000
The theoretical probability will remain the same every time you do the experiment (50%), while the experimental probability will vary somewhat, since you probably aren't going to get 5 heads every single time.
Let the price of one CD be c.
The 5 CDs cost 5c.
The cost of 5 CDs and a $12 DVD is
5c + 12
