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2x + 3y = 2 == kalikan 1 pers 2 dikalikan 1
2x - 2y = 2 ========> pers 1
2x + 3y = 2 - (dikurang)
- 5 y = 0
y = 0
-3x + 3y = - 3 =======> pers 2
2x + 3y = 2 - (dikurang)
- 5x= - 5
x = 1