Question

x+y+z=5; 2x-y+z=9; x-2y+3z=16​

Answer 1

Given,

x + y + z = 5 .....(1)

2x - y + z = 9 .....(2)

x - 2y + 3z = 16 .....(3)

Subtracting (2) from (1);

- x + 2y = -4 .....(4)

Multiplying (1) by 3 and subtracting (3) from the product;

2x +5y = -1 ......(5)

Solving (4) and (5), we get;

x = 2 and y = -1

Hence, z = 4

Therefore,

$x = 2 \: \: y = -1 \: \: z = 4$

HOPE THIS COULD HELP!!!

Answer 2

Answer:

Step-by-step explanation:

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