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2x + 3y = 8 dikali 3
6x + 4y = 34
6x + 9y = 24 dikurang
-5y = 10
y = -2
mencari nilai x =>
2x + 3y = 8
2x - 6 = 8
2x = 14
x = 7
mungkin m = x dan n = y :D
x+y = 7 + (-2) = 5
Good Luck! :D
2x+3y = 8 << dikalikan 3
6x+4y = 34
6x+9y = 24
----------------- -
-5y = 10
y = -2
2x+3(-2) = 8
2x -6 = 8
2x = 14
x = 7
x+y = 7+(-2) =5