有限数学 示例

Solve Using a Matrix by Row Operations 8x+5y+u=7 , x+6y+v=9 , -32x-2y+m=0
, ,
解题步骤 1
Move variables to the left and constant terms to the right.
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解题步骤 1.1
移动
解题步骤 1.2
重新排序。
解题步骤 1.3
移动
解题步骤 1.4
重新排序。
解题步骤 1.5
移动
解题步骤 1.6
重新排序。
解题步骤 2
Write the system as a matrix.
解题步骤 3
求行简化阶梯形矩阵。
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解题步骤 3.1
Swap with to put a nonzero entry at .
解题步骤 3.2
Swap with to put a nonzero entry at .
解题步骤 4
Use the result matrix to declare the final solution to the system of equations.
解题步骤 5
The solution is the set of ordered pairs that make the system true.