Verify That the Values of the Variables Listed Are Solutions $$\left\{ \begin{array} { l } x + y = - 1 \\x - y = 11 \\\end{array} \right.$$

question 120

Multiple Choice

Verify that the values of the variables listed are solutions of the system of equations.
- $$\left\{ \begin{array} { l } x + y = - 1 \\x - y = 11 \\\end{array} \right.$$

x = 5 , y = - 6

• A) solution
• B) not a solution

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