Linear Equations in Two Variables
line 5x +2y =4isdierent from slope of the line 2x + y =11. Thosetwo slopes are 5 2 and 2 11 respectively. No solutions. If you reach into a hat and pull out two dierent linear equations in two variables, it’s highly unlikely that the two corresponding lines would have exactly the same slope. But if they did have the same slope, then there 4 5 ...
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