carilah HP dari 3x + 2y = 6 2x + 3y = -1
Matematika
Dinayuliabestiyana
Pertanyaan
carilah HP dari
3x + 2y = 6
2x + 3y = -1
3x + 2y = 6
2x + 3y = -1
1 Jawaban
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1. Jawaban rahmatulA18
3x + 2y = 6 |2
2x + 3y = -1|3
6x + 4y = 12
6x + 9y = -3 -
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0 + (-5) y = 15
y = 15/ -5 = ( -3 )
2x + 3y = -1
2x + 3 (-3) =-1
2x + (-9) = -1
2x = -1 + 9
2x = 8 jadi x = 8/2 =( 4 ) hp = ( 4 , -3 )