Question

Question 10 O pts Solve the system 3x - y - 5z = 6 4x + y + 2z = 5 for X using Cramer's Rule. 15 + 2 y +32 Upload please box answers ill thumbs up Choose a File

Answer 1

Given cală 3a-y-52= 6 4a+y+22=5 a-y+ 37 = 15 3 -1 -5 2 - 4 5 y - my 3 Z 15 Cramer's reeks Main mateixa, detaminants -1 3 4 2 -13 3(3-(2) + (12 - 2) - 5 (-4-1) Da 15 +10 + 25 = 50 Replace ist column of main mateix with b. detaminant s = -1 er ern 2 3 6(3-(-2)) +1(15-30)–5(-515) 36-15 +100 이 115

2nd column sepkile with b. 2. - 6 3 + la la ง 29 3 (15-30) -6( 12-2) -5 (A4 - 5) - 45 0 215 = -886 colenn seplate with b 3Y 3 -) E - w + . รู้ | - 15 1 / 1 31515) 1160 – 5) + 6-1-1) 66 +55 - 36 - 85 X - K 115 23 10 50 3 - -380 38 รูป - \\w * f A2 85 - - 50