Si stem per sama an x+3y=7 x-2y=-8

MAPEL = MATEMATIKA
KELAS = 8
BAB = SPLDV


eliminasi nilai x
x + 3y = 7
x - 2y = -8
________-
5y = 15
y = 15/5
y = 3

subtitusi nilai y
x + 3y = 7
x + 3(3) = 7
x + 9 = 7
x = 7 - 9
x = -2

hp = {-2,3}

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