\left\{ \begin{array} { l } { 2 x - y = 1 } \\ { y = 10 } \end{array} \right.
Solve for x, y
x = \frac{11}{2} = 5\frac{1}{2} = 5.5
y=10
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\left\{ \begin{array} { l } { 2 x - y = 1 } \\ { y = 10 } \end{array} \right.
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2x-10=1
Consider the first equation. Insert the known values of variables into the equation.
2x=1+10
Add 10 to both sides.
2x=11
Add 1 and 10 to get 11.
x=\frac{11}{2}
Divide both sides by 2.
x=\frac{11}{2} y=10
The system is now solved.
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