x = 3, y = 9 is one solution from infinite number of solutions.
to find another solution just choose any number for x, substitue it in the equation, for example if x = 1, y= 4 * 1 - 3 = 1, so 1 and 1 is another solution for y = 4 x - 3
In this question there is only one equation which contains two variables, so there is no unique solution.
we need other independent equation contains the variables x and y then we can solve these equations simultaneously, i.e. we can find finite number of solution (its one solution in linear equations)
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-3x = 9x = 9/(-3)x = -3
That's an invalid equation.
The solution is all points on the line y = x + 3, for example (0, 3) (1, 4), (2.567, 5.567).
y= -9
That all depends.Is it:ln (2x+9) = ln (5x)If it is, the solution can be found by solving 2x+9 = 5x, in which case the answer is x = 3.