SOLUTION: this is my problem. -10-(-12)+(-7)-4 (this is how I worked it. -10+(12)+(7)+ -4 2 +7 +-4 9+ -4= 5. I know the answer is -9 but im not sure what step I am missing. I k

Question 315650: this is my problem.
-10-(-12)+(-7)-4 (this is how I worked it.
-10+(12)+(7)+ -4
2 +7 +-4
9+ -4= 5.
I know the answer is -9 but im not sure what step I am missing. I know that if there is a negative you do the opposite, but this confuses me on the
(-12)+(-7)-4. I thought that if there is a plus sign you leave it alone and only change negative numbers. please explain. Thank you in advance for the help.
shanda
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
this is my problem.
-10-(-12)+(-7)-4
-------
-10+(12)+(-7)+ -4
-------
-10+12-7-4
---
-10-7-4 + 12
---
-12 + 12
---
-9
=================
Cheers,
Stan H.

RELATED QUESTIONS
I have to do the following problem and I'm not sure if I have it correct. Is -4 a... (answered by checkley71)

Solve each inequality. graph its solution, and write the solution in set notation.... (answered by jim_thompson5910)

Could someone please check these, I am not sure if I understood them correctly. I should (answered by Alan3354)

I have to do the following problem and I'm not sure if I have it correct. Is -4 a... (answered by jake_6233)

4.5 ( 2, 16, 32) 2. How many ways can a basebal manager arrange a batting order of 9... (answered by oscargut)

Could someone please check these, I am not sure if I understood them correctly. I should (answered by Alan3354)

How ould yu solve this? I understand the 2x2 matrice but this one is different no tin... (answered by Fombitz)

ok i have many more problems to go like this and i need help FAST i need to go to bed and (answered by venugopalramana)