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Algebra

[BQ 1] Solve the following equations for $t_1$ and $t_2$:
$\displaystyle 5 + 6t_1 + 7t_2=12,$      
$\displaystyle 4 + 3t_1 -6 t_2=3.$      

[BQ 2] Solve the following equations for $t_1$ and $t_2$:

$\displaystyle 6 + 5t_1 + {t_2}^2 = 1,$      
$\displaystyle t_1 + t_2 = -7.$      

[BQ 3] Rewrite this equation without fractions:

$\displaystyle \frac{5}{a+15+b} +\frac{3}{b}=2$      


Stephen Weppner 2007-09-05