Jawaban:
5x - 2y = 25 | 3
2x + 3y = -9 | 2
15x - 6y = 75
4x + 6y = -18
ditambah(+) agar y nya hilang
19x = 57
x = 3
(substitusi)
5x - 2y = 25
5(3) - 2y = 25
15 - 2y = 25
2y = 25 - 15
2y = 10
y = 5
jadikan jawaban terbaik yaaa!!!
-Ibnursya
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Jawaban:
5x - 2y = 25 | 3
2x + 3y = -9 | 2
15x - 6y = 75
4x + 6y = -18
ditambah(+) agar y nya hilang
19x = 57
x = 3
(substitusi)
5x - 2y = 25
5(3) - 2y = 25
15 - 2y = 25
2y = 25 - 15
2y = 10
y = 5
jadikan jawaban terbaik yaaa!!!
-Ibnursya