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3x+2y=16y=-4Substitute

User Skram
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1 Answer

3 votes

We have to solve:


\begin{gathered} 3x+2y=16 \\ y=-4 \end{gathered}

We already know the value of y (y=-4).

We replace the value of y in the first equation and solve for x:


\begin{gathered} 3x+2(-4)=16 \\ 3x-8=16 \\ 3x=16+8 \\ 3x=24 \\ x=(24)/(3) \\ x=8 \end{gathered}

The value of the pair is (8,-4).

User Shine J
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