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Exercises $70-72$ will help you prepare for the material covered in the next section.Solve by the addition method:$$\left\{\begin{array}{l}2 x+4 y=-4 \\3 x+5 y=-3\end{array}\right.$$
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This gives us: $$ \left\{\begin{array}{l} -6 x-12 y=12 \\ 6 x+10 y=-6 \end{array}\right. $$ Show more…
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Exercises 66–68 will help you prepare for the material covered in the next section. Solve by the addition method: $$ \left\{\begin{array}{l}{2 x+4 y=-4} \\ {3 x+5 y=-3}\end{array}\right. $$
Exercises will help you prepare for the material covered in the next section. Solve by the addition method: $$ \left\{\begin{array}{l} 2 x+4 y=-4 \\ 3 x+5 y=-3 \end{array}\right. $$
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