SOLUTION: Please Help. Use elimination to solve each system of equations. 3M-N=26 -2M-N=-24

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Please Help. Use elimination to solve each system of equations. 3M-N=26 -2M-N=-24       Log On


   

Question 182607: Please Help.
Use elimination to solve each system of equations.
3M-N=26 -2M-N=-24
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3M-N=26 MULTIPLY BY -1 & ADD.
-2M-N=-24
-3M+N=-26
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-5M=-50
M=-50/-5
M=10 ANS.
3*10-N=26
30-N=26
-N=26-30
-N=-4
N=4 ANS.
PROOF:
-2*10-4=-24
-20-4=-24
-24=-24