Question

I need help with a question

Answer 1

`\begin{gathered} -20=-4x-6x \\ -20=-10x \\ x=(-20)/(-10) \\ x=2 \end{gathered}`

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`\begin{gathered} 6=1-2n+5 \\ 2n=1+5-6 \\ 2n=0 \\ n=(0)/(2) \\ n=0 \end{gathered}`