18 What is the solution to the system of equations? https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

A(3, 2, –1)

B(–3, 2, 1)

C(3, 2, 1)

D(3, –2, 1)

19 What is the solution to the system of equations? https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

A(0, 1, 1)

B(–1, –1, 1)

C(0, –1, –1)

D(0, –1, 1)

20.Solve the system https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

A(0, -2)

B(2, 3)

C.infinite solutions

D.no solution

The solution to the first question is C (3,2,1)

The solution to the second question is D (0,-1,1)

The solution to the last question is B (2,3)

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