Question
$\begin{aligned} 0.2 x-0.3 y & =0.3 \\ 0.4 x+0.6 y & =-0.2\end{aligned}$
Step 1
2 x - 0.3 y & = 0.3 \quad \text{(1)} \\ 0.4 x + 0.6 y & = -0.2 \quad \text{(2)} \end{aligned} \] Show more…
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