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-4m-3n=19
....................
6m+2n=-11
-4m+3n=19
....................
dikalikan 3 menjadi 18m+6n = -33
dikalikan 2 menjadi -8m-6n = 38
............................... +
10m = 5
m = 5/10
m = 1/2
-4m-3n = 19
-4(1/2) - 3n = 19
-2-3n = 19
-3n = 19+2
-3n = 21
n = 21/-3
n = -7
Jadi, m= 1/2 dan n= -7
semoga membantu
-4m -3n =19 x2 -8m - 6n = 38 +
10 m = 5
m = 5/10 = 1/2
6m + 2n = -11
6(1/2)+2n=-11
3+2n=-11
2n=-11-3
2n=-14
n=-14/2
n=-7
jd n=-7 dan m =1/2