Tentukan HP dari spldv dari1.)2x−3y=93x−5y=23 2.) 7x−2y=83x+y=9​

Jawaban:1. {(-24,-19)}2. {(2,3)}Penjelasan dengan langkah-langkah:3x - 5y = 232x - 3y = 9__________-x - 2y = 14 x = 14 + 2y2x - 3y = 92(14 + 2y) - 3y = 928 + 4y - 3y = 928 + y = 9y = 9 - 28y = -193x - 5y = 233x - 5(-19) = 233x + 95 = 233x = 23 - 953x = -72x = -24verify3x - 5y = 233(-24) - 5(-19) = 23-72 + 95 = 2323 = 23 ✓2x - 3y = 92(-24) - 3(-19) = 9-48 + 57 = 99 = 9 ✓7x - 2y = 8 | ×3 | 21x - 6y = 243x + y = 9 | ×7 | 21x + 7y = 63 __________- -13y = 39 y = 3 7x -2y = 87x - 2(3) = 87x - 6 = 87x = 8 + 67x = 14x = 2verify7x - 2y = 87(2) - 2(3) = 814 - 6 = 88 = 8 ✓3x + y = 93(2) + 3 = 96 + 3 = 99 = 9 ✓

Answered by revalrizaldy24 | 2025-08-07