SOLUTION: Please Help. Use elimination to solve each system of equations. 3M-N=26 -2M-N=-24
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Question 182607
:
Please Help.
Use elimination to solve each system of equations.
3M-N=26 -2M-N=-24
Answer by
checkley77(12844)
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3M-N=26 MULTIPLY BY -1 & ADD.
-2M-N=-24
-3M+N=-26
------------------
-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