Page 140 - Math Grade 11 (Basic)
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X+ y = -6 X+ 2y = 5
2. ~-
{ 2x y = 2 { 3x-15 = -6y
2x + 3 y + 2z = 14 x+2y-3z = 10 - 2x + y + 3z = 2
lli. 4x+2y-z = 15 h. 4x+y z = -10 G. x-7y 3z=-4
{ {
3x -7y + 2z = 5
x+ y + 2z = 8 1 4x-2y-6z = 1
1'2'7

