Um there are an infinite number of equations but some simple ones are: X + 1 = 6 X + 2 = 7 123553X = 617765
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There is no such pair. The solution to equation 1 and equation 2 is x = 1, y = 1. The solution to equation 2 and equation 3 is x = 1, y = 1. And the solution to equation 1 and equation 3 is any point on the line 3x + 2y = 5 - an infinite number of solutions. The fact that the determinant for equations 1 and 3 is zero (or that they are not independent) does not mean that there is no solution. It means that there is no UNIQUE solution. In this particular case, the two equations are equivalent and so have an infinite number of solutions.
x = -3/5 and y = -24/5
It's one of the simplest linear equations in 'x' that can be written. Its solution is [ x = -5 ].
If you already know that x = -3 and y = 5 what linear equations are you wanting to solve?
You have two unknown variables, x and y. You therefore need at least two independent equations to find a solution.