4x + 2y = 44 2x + 3y = 22
Matematika
yanti599
Pertanyaan
4x + 2y = 44
2x + 3y = 22
2x + 3y = 22
1 Jawaban
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1. Jawaban indris167
4x + 2y = 44............1)
2x + 3y = 22............2)
*untuk mencari nilai x dan y eliminasikan pers. 1 dan 2
4x + 2y = 44 Ιx3
2x + 3y = 22 Ιx2
12x + 6y = 132
4x + 6y = 44
⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻ ⁻
8x = 88
x = 11
* substitusikan x ke pers.1 atau 2, misal ke pers. 2
2x + 3y = 22
2(11) + 3y = 22
22 + 3y = 22
3y = 22-22
3y = 0
y = 0
HP = (11,0)