SOLUTION: -5m+6n=-8 -m+3n=-7 how would you solve this using elimatiob by addition?

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Question 461793: -5m+6n=-8
-m+3n=-7
how would you solve this using elimatiob by addition?

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!


solve this using elimatiob by addition
..........1
}..........2.....both sides multiply by
--------------------------------
..........1
}..........2
---------------------------------------
..........1
}..........2..........add 1 and 2
--------------------------





..........now find

..........1...plug in
..........1







check:
..........1...plug in and




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