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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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⎧3<br />

y<br />

⎪ x + =−1<br />

Solve: ⎨2<br />

8<br />

⎪<br />

⎩16x+<br />

3y =−28

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