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3x + y = 5 |×2
6x + 9 = 24
6x + 2y = 10
----------------- -
8y = 14
y = 14
y = 14/8
y = ...... (dijawab sendiri ya kak edisi gk pake buku tulis jdi gk bisa ngitung pembagian git)
tinggal bagi 14 : 8 doang tuh..
#Sorry klo salah :D
3x+y=5
2x + 3y = 8
9x + 3y = 15
---------------- -
-7x = -7
x = 1
3x + y = 5
3(1) + y = 5
y = 2
HP x = 1 , y = 2