Solving a System by Elimination In Exercises $13-30,$ solve the system by the method of elimination and check any solutions algebraically. $$ \left\{\begin{array}{r}{0.2 x-0.5 y=-27.8} \\ {0.3 x+0.4 y=68.7}\end{array}\right. $$
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$$\left\{\begin{array}{r}{0.4 x-1 y=-55.6} \\ {1.5 x+2 y=343.5}\end{array}\right.$$ Show more…
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Solving a System by Elimination In Exercises $13-30,$ solve the system by the method of elimination and check any solutions algebraically. $$ \left\{\begin{array}{l}{3 x+2 y=10} \\ {2 x+5 y=3}\end{array}\right. $$
Solving a System by Elimination In Exercises $13-30$ , solve the system by the method of elimination and check any solutions algebraically. $$ \left\{\begin{aligned} \frac{x+3}{4}+\frac{y-1}{3} &=1 \\ 2 x-y &=12 \end{aligned}\right. $$
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