# Math

posted by .

• Math -

Please do not keep posting the same problem over and over. You try to do this one, and I'll check your work in an hour.

• Math -

12-9=15d+9

3=15d+9

3-9=15d

-6=15d

15d= -6

3*5*d= -3*2 Divide with 3

5d= -2 Divide with 5

d= -2/5= -0.4

## Similar Questions

Please help with these 5 problems! I have the solutions but I don't understand how to get them! 1. Perform the indicated operations and simplify: [(2/x)-1]/(x^2 -4) 2. Subtract and simplify: [12/(x^2 -4)] - [(3-x)/(x^2 + 2x)] 3. Perform …

3. ### math

-12d - 9= 15d+9
4. ### bus 100

Operations Management" Please responds to the following: Review the major responsibilities of the operations manager and determine which responsibility is the most challenging. Assess and discuss your ability to succeed in this type …
5. ### Algebra

I am trying to factor, but I can't seem to get this one. The question is: -15d*2*-2d+8. It is actually -15d squared but I didn't know how to right that without it being confusing. Anyways I changed it so now it says -1(15d-2d+8). Then …
6. ### Math Algr.2

3/5(15d+20)-1/6(18d-12)=38
7. ### math

Please explain the order of operations for the formula 30 divided by 5 times 6 Do I do the multiplication first, or do I do the the operations from left to right?
8. ### Math for Management

A hospital performs 3 types of operations. The first type takes 30 minutes, and they charge \$1000 for it. The second type takes 1 hour, and they charge \$1500 for it. The third operation takes 2 hours, and they charge \$2000 for it. …

12d-9=15d+9
10. ### Math

There were d passengers in the train. 15% of all of them went in the first car, 20% went in the second car. How many passengers were in the rest of the train?

More Similar Questions