penyelesaian persamaan 2x+3y=40dan6x-2y=10adalah
Matematika
galistan07
Pertanyaan
penyelesaian persamaan 2x+3y=40dan6x-2y=10adalah
1 Jawaban
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1. Jawaban ahreumlim
2x + 3y = 40 |×3| 6x + 9y = 120
6x - 2y = 10 |×1| 6x - 2y = 10
--------------------- (-)
11y = 110
y = 10
2x + 3y = 40
2x + 3(10) = 40
2x = 40 - 30
2x = 10
x = 5
jadi HP = {(5,10)}