SOLUTION: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -5x + 4y = -16 -15x + 2y = -58

Algebra ->  Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -5x + 4y = -16 -15x + 2y = -58       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 465738: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-5x + 4y = -16
-15x + 2y = -58


Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Solve using the elimination method.

-5x + 4y = -16 

-15x + 2y = -58



 15x - 12y = 48  |Multiplying 1st EQ thru by -3 and adding the EQs to eliminate x

-15x + 2y = -58 

      -10y = -10

         y = 1  and x = 4  ( -5x + 4 = -16, -5x = -20, x = 4 )



CHECKING our Answer***

-15x + 2y = -58

-60 + 2  = -58