If y=3x+4 and y=2x+8, find the value of both x and y.

TeaDrinkingGeek asked Nov 18, 2023

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TeaDrinkingGeek asked Nov 18, 2023

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29 votes

$\begin{cases}y=3x+4 \\ y=2x+8\end{cases}\rightarrow3x+4=2x+8\rightarrow3x-2x=4\rightarrow x=4$

having that x=4, we get that

$y=2\cdot4+8=16$

Beez answered Nov 24, 2023

by Beez

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