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5x - y = 3
-y = 3 - 5x
y = -3 + 5x
3x+2y = 7
3x -6 + 10x = 7
13x = 13
x = 1
y = -3 + 5 = 2
titik potong (1,2)
lalu cari gradien
x + 3y-6 = 0
m1 = -1/3
m2 = -1/-1/3
m2 = 3
persamaan Garis nya adalah melalui titik (1,2)
y - 2 = 3 (x - 1)
y = 3x - 3 + 2
y = 3x -1
y - 3x + 1 = 0
3x - y - 1 = 0
3x - y = 1
Wassalamu'alaikum Wr.Wb
Guru Matematika IPA Terpadu
Les Private Online Master
10x-2y=6
-----------------+
13x=13
x=1
y=2
tegak lurua x+3y-6=0
3y=-x+6
y=-1/2x+2
m¹=-1/3
m²=3
persamaan garisnya
y-2=3(x-1)
3x-y-1=10
semoga membantu