Eliminasi (x) 5x-y=3 x+3y=7
Matematika
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Eliminasi (x) 5x-y=3 x+3y=7
1 Jawaban
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1. Jawaban sirinda
5x - y = 3. x3
x + 3y = 7. x1
______________
15x - 3y = 9
x + 3y = 7
__________+
16x = 16
x = 1
x + 3y = 1 + 3y = 7
3y = 7 - 1 = 6
y = 2