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OpenStudy (anonymous):
Solve the following system of equations. 2x - 3y + z = -1 2x - 2y - 2z = -8 x + 5y - 3z = 2
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OpenStudy (tamtoan):
take the first one multiply 2 ..and add to the second one to eliminate z ..now you have 1 equation with 2 variables x and y take the first one multiply 3 and add to the third one , then you have another equation with 2 variables x and y...then you can solve that system easily.
OpenStudy (anonymous):
ok
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