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43 votes
I need the answer quick because I have to go somewhere

I need the answer quick because I have to go somewhere-example-1
User Cybergrind
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1 Answer

21 votes
21 votes

SOLUTION

From the first equation, we make x the subject and put into the second equation. This equation is


-x+2y=-6

Making x the subject, we have


\begin{gathered} -x+2y=-6 \\ -x=-2y-6 \\ \text{dividng through by -1 we have } \\ (-x)/(-1)=(-(2y+6))/(-1) \\ \\ x=2y+6 \end{gathered}

So we substitute 2y + 6

User MTarantini
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