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$a \cdot 1 = 3$ , $r = - 3$

Bước 1

Nhân $a$ với $1$ .

$a = 3$

$r = - 3$

Bước 2

Write the system as a matrix.

$[\begin{array}{c} 1 & 0 & 3 \\ 0 & 1 & - 3 \end{array}]$

Bước 3

Use the result matrix to declare the final solution to the system of equations.

$a = 3$

$r = - 3$

Bước 4

The solution is the set of ordered pairs that make the system true.

$(3, - 3)$