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tristan4233
31.08.2019 •
Mathematics
Solve the system of equations; x - 2y = 2 and 3x - 5y = 9 by writing and solving a matrix equation. show all your work.
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Ответ:
x=
Working;
Start by forming a matrix as shown below;
Step II
Finding the inverse of the matrix as shown below;
Determinant;
(1*5)-(3*(-2)=11
Inverse;
Evaluating further;
x=
Ответ: