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OpenStudy (anonymous):
How I solve the following Linear system? 2x -y + 2z = -1 x + y + z = 4 3x - y + z = -4
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OpenStudy (anonymous):
Very painfully....
OpenStudy (anonymous):
I m lost bro
OpenStudy (anonymous):
Subtract equation #1 and 2 times equation #2. Subtract equation #3 and equation #2. You will now get two equations in x and y. Solve these two equations to get x and y. Then, substitute back in one of them to find z.
OpenStudy (anonymous):
I will try
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