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

User Xke
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\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

User Matt Stern
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