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