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21 votes
21 votes
8x - 4y = -4 solve for y

User Prasad Silva
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1 Answer

21 votes
21 votes

We have an expression and we have to solve for y. We can rerarrange it so that it becames y equal to some expression.


\begin{gathered} 8x-4y=-4 \\ 8x-4y-8x=-4-8x \\ -4y=-4-8x \\ (-4y)/(-4)=(-4-8x)/(-4) \\ y=(-4)/(-4)+(-8x)/(-4) \\ y=1+2x \end{gathered}

Answer: y = 1+2x

User Datazang
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