1. Solve the following system of linear equations in three variables
(i) x + y + z = 5; 2x - y + z = 9; 1-2y+32 = 16
3
1
2
1 1+1=0; 2+= 14
(ii)
+4= 0;
7
Y
(iii) x + 20 =
3y
+ 10 = 2z+ 5 = 110 - (y + z)
2
92
10th Standard Mathematics
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