Question 1026563
 5m-2n=-4
3m+4n=34 
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Modify for elimination::
10m - 4n = -8
3m  + 4n = 34
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Add and solve for "m":
13m = 22
m = 22/13
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Solve for "n":
3m + 4n = 34
3(22/13) + 4n = 34
(66/13) + 4n = 34
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66 + 52n = 13*34
52n = 246
n = 123/26 = 4.73
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Cheers,
Stan H.
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