\left\{ \begin{array} { l } { x + y = 6 } \\ { y = 3 } \end{array} \right.
Solve for x, y
x=3
y=3
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\left\{ \begin{array} { l } { x + y = 6 } \\ { y = 3 } \end{array} \right.
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x+3=6
Consider the first equation. Insert the known values of variables into the equation.
x=6-3
Subtract 3 from both sides.
x=3
Subtract 3 from 6 to get 3.
x=3 y=3
The system is now solved.
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