SOLUTION: I need lots of help with variables...solve by the addition-or-subtraction method. 2k-5p=-5 6k-5p=-17 thanks a lot....please explain...

Algebra ->  Expressions-with-variables -> SOLUTION: I need lots of help with variables...solve by the addition-or-subtraction method. 2k-5p=-5 6k-5p=-17 thanks a lot....please explain...      Log On


   

Question 400133: I need lots of help with variables...solve by the addition-or-subtraction method.
2k-5p=-5
6k-5p=-17
thanks a lot....please explain...
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

2k-5p=-5   |subtracting 2nd line from 1st

6k-5p=-17 

 -4k = 12

   k = -3

2k - 5p = -5

2*-3 - 5p = -5

   -1 = 5p

  -1/5 = p



CHECKING our Answer***

  6k -5p = -17 

  6*-3 -5*-1/5 = -18 + 1 = -17