\left\{ \begin{array} { l } { x + y = 1 } \\ { x = 0 } \end{array} \right.
Solve for x, y
x=0
y=1
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\left\{ \begin{array} { l } { x + y = 1 } \\ { x = 0 } \end{array} \right.
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0+y=1
Consider the first equation. Insert the known values of variables into the equation.
y=1
Anything plus zero gives itself.
x=0 y=1
The system is now solved.
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