x+y = 12 x+2y = 15 ========= -- -y = -3 y = 3 x + 3 = 12 x = 12-3 x = 9
HP = {9,3}
subtitusi :
x + y = 12 x = 12 - y
x + 2y = 15 12 - y + 2y = 15 2y - y = 15 -12 y = 3 x = 12 -3 = 9
HP = {9,3}
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aan353
X+y=12. | 2y| 2x+2y=24 x+2y=15 | 1. | x+2y=15. ----------------- + 2x+x=39 2x=39 x= 39per2 kalau mau di kecil hasilnya kecil lin aja bisa kok maaf lama itu metode eliminasi
x+y = 12
x+2y = 15
========= --
-y = -3
y = 3
x + 3 = 12
x = 12-3
x = 9
HP = {9,3}
subtitusi :
x + y = 12
x = 12 - y
x + 2y = 15
12 - y + 2y = 15
2y - y = 15 -12
y = 3
x = 12 -3 = 9
HP = {9,3}
x+2y=15 | 1. | x+2y=15.
----------------- +
2x+x=39
2x=39
x= 39per2 kalau mau di kecil hasilnya kecil lin aja bisa kok maaf lama itu metode eliminasi