\left\{ \begin{array} { l } { y = 2 x } \\ { x = 8 } \end{array} \right.
Solve for y, x
x=8
y=16
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y=2\times 8
Consider the first equation. Insert the known values of variables into the equation.
y=16
Multiply 2 and 8 to get 16.
y=16 x=8
The system is now solved.
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