ANSWER:
STEP-BY-STEP EXPLANATION:
We have the following system of equations:
[tex]\begin{gathered} 6x-2y=-1\rightarrow6x=-1+2y\rightarrow x=-\frac{1}{6}+\frac{1}{3}y\text{ (1)} \\ -6x-8y=6\text{ (2)} \end{gathered}[/tex]We replace equation (1) in (2):
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