SOLUTION: im having trouble with this problem. im not understanding how i add -2x and -x. will you please help me answer and explain the problem tome and how you did it the problem is: -2(

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: im having trouble with this problem. im not understanding how i add -2x and -x. will you please help me answer and explain the problem tome and how you did it the problem is: -2(      Log On


   

Question 653554: im having trouble with this problem. im not understanding how i add -2x and -x. will you please help me answer and explain the problem tome and how you did it
the problem is:
-2(9+x)-(x-5)
Found 2 solutions by lynnlo, lwsshak3:
Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
e-mail me so i can explain through your e-mail how you can understand your work

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
-2(9+x)-(x-5)
distribute
-18-2x-x+5
-3x-13
...
The rule for combining like terms:
1) When both terms have the same sign, add the two terms and affix the common sign to the resulting addition.
2) When both terms have different signs, take the difference of the two terms and affix the sign of the larger term to the resulting difference.