\left\{ \begin{array} { l } { x + y + z = 1 } \\ { x = 1 } \\ { y = 0 } \end{array} \right.
Solve for x, y, z
x=1
y=0
z=0
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1+0+z=1
Consider the first equation. Insert the known values of variables into the equation.
1+z=1
Add 1 and 0 to get 1.
z=1-1
Subtract 1 from both sides.
z=0
Subtract 1 from 1 to get 0.
x=1 y=0 z=0
The system is now solved.
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