5×+5y =25 dan 3×+6y =24
Matematika
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Pertanyaan
5×+5y =25 dan 3×+6y =24
1 Jawaban
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1. Jawaban BangIlmi
5x+5y= 25 |x3
3x+6y= 24 |x5
~~~~~~~~~~
15x+15y= 75
15x+30y= 120. _
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-15y= -45
y= -45/-15
y=3
~~~~~~~~~~~
5x+5y= 25
5x+5(3)= 25
5x= 25-15
x=10/2
x=2