Consider the system {x=2y+13x−y=8\begin{cases}x=2y+1\\ 3x-y=8\end{cases}. Using substitution, find yy.

Solving Systems of Linear Equations by Substitution

5. Systems of Linear Equations / Solving Systems of Linear Equations by Substitution / 문제 2

문제 2

Consider the system ${\begin{matrix} x = 2 y + 1 \\ 3 x - y = 8 \end{matrix}$ . Using substitution, find $y$ .

$y = - 1$

$y equals 1$

$y equals 0$

$y equals 2$