September 2018 1 159 Report
PLEASE JAWAB YA PLEASE TOLONG BANTU AKU SELESAIKAN MATEMATIKA INI pleasee

1. Sistem persamaan linear ax - 3y = 138 dan fx = by = 240 mempunyai himpunan penyelesaian {(24, -30)}. Nilai a + 2b = ______
2. Diketahui SPLDV : ax - by = -2 dan 2bx + ay =20. Himpunan penyelesaian SPLDV tersebut {(2, 4 )}. Nilai 2a - b = __________
3.Diketahui sistem persamaan 4x - 3y = 1 dan 2x - y = -3 . Nilai 3x - 2y adalah ________



please bantu akuuuuu please aku sangat butuh nihhh terimakasih semuaaa

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