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5x + 2y= 34 |x2|
10x - 25y= 10
10x + 4y = 68 (dikurang)
-29y= -58
y= -58 / -29
y= 2
substitusikan nilai y=2
2x - 5y = 2
2x - 5.2=2
2x - 10 =2
2x = 2+10
2x = 12
x = 12/2
x = 6