Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
EasyThe solution of the pair of equations $x+2=0$ and $y-1=0$ is $(x, y) = \dots$
- A$(2, -1)$
- B$(-2, 1)$
- C$(1, -2)$
- D$(-1, 2)$
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If $(x, -1)$ is the solution of the linear equation of two variables $3x - y = 7$,then $x = \ldots$
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