Yes only if you mean: y = 2x-5
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You can solve 2x + 3 = 5 and that has no y in it! Or maybe you can't!
Given: x + y = 5 2x + y = 6 We can subtract the second equation from the first to get: -x = -1 x = 1. From there, substituting back in to the first equation yields: 1 + y = 5 y = 4. The solution is (1, 4).
The solution to the equation y = 1/2x will be x= 2y.
Solve for y.2x+y=5*subtract 2x from both sides*2x+y-2x=5-2xy=-2x+5 / y=5-2x
If you mean: y = -2x-5 then the slope is -2 and the y intercept is -5