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Verified answer
Titik (6, y) yang artinya x = 6 dan y = yuntuk mencari nilai y masukan x = 6 ke garis
x - y = 4
(6) - y = 4
-y = 4 - 6
-y = - 2
y = 2
pembuktian menggunakan eliminasi
x + 2y = 10
x - y = 4
________-
3y = 6
y = 2
maka nilai y = 2