Section 12.1 Systems of Linear Equations; Substitution and ...
Section 12.1 Systems of Linear Equations; Substitution and ...
Section 12.1 Systems of Linear Equations; Substitution and ...
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⎧2x−3y−<br />
z = 0<br />
⎪<br />
Solve: ⎨−<br />
x+ 2y+ z = 5<br />
⎪⎩ 3x−4y− z = 1