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In this lesson, we will learn how to use matrices to solve a system of two linear equations.

Q1:

Express the given simultaneous equations as a matrix equation.

Q2:

Use matrices to solve the system

Q3:

Use matrices to solve the following system of equations.

Q4:

Q5:

Q6:

Q7:

Q8:

Q9:

Q10:

Write down the inverse of the coefficient matrix.

Multiply through by the inverse, on the left-hand side, to solve the matrix equation.

Q11:

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