\left\{ \begin{array} { l } { a = 1 } \\ { b + a = 2 } \end{array} \right.
Solve for a, b
a=1
b=1
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\left\{ \begin{array} { l } { a = 1 } \\ { b + a = 2 } \end{array} \right.
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b+1=2
Consider the second equation. Insert the known values of variables into the equation.
b=2-1
Subtract 1 from both sides.
b=1
Subtract 1 from 2 to get 1.
a=1 b=1
The system is now solved.
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