Solve three linear equations in x, y, z
The same question, asked 5 times: 10 Sep 2024 S2*, 11 Sep 2024 S1*, 12 Sep 2024 S3*, 13 Sep 2024 S1*, 26 Sep 2024 S3. Every wording below, oldest first.
Try each one first, then open its answer.
Question 1
10 Sep 2024 S2
53Find the values of x, y and z, so as to satisfy the equations given below:
x+y+z=12; x+y−z=6; x−y+z=4
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Question 2
11 Sep 2024 S1
66Solve the given set of three equations to get the value of the unknowns:
x+2z=3
x+2y+3z=5
3x−5z=−13
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Question 3
12 Sep 2024 S3
64Find the values of x, y and z, so as to satisfy the equations given below: 5x−3y+7z=22; 3x−5y−2z=−46; 2x−2y+5z=24
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Question 4
13 Sep 2024 S1
71The solution of the following equations is:
5x+4y−8z=1
7x−9y+z=−1
2x+3y−4z=1
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Question 5
26 Sep 2024 S3
60Find the value of the unknowns:
x+1.5y+2z=5.5
x+5y+7z=15
3x+11y+13z=25
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