Answer:
-28
Step-by-step explanation:
Let the number be x
Given that,
3( x+ 8) = 2x - 4
3x + 24 = 2x -4
3x-2x = -4-24
x= -28
Hope it helps....
Answer:
Step-by-step explanation:
5x -x + 3x =30, first you combine like terms 5x + 3x-x=30
8x-x =30
8-1=7
7x=30
Answer: They are the same deal
Step-by-step explanation:
15.4/5.39=3.33333...
23.6/7.08=3.333333...
Answer:
10 ft
Step-by-step explanation:
Use theorem pythagoras
Length = x

the answer is 10 because length can't be in negative number
The books are $5, and the magazines are $10. I’m not sure which way you want it explained but since magazines are twice the price of books, you can solve the equation 3b + 2b = 25. This gives you b=5 which you just multiply by 2 giving you the price of a magazine.