or x + y = 6
That cannot be simplified further and to solve for either variable will require another independent eqaution in x and y
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2x+y=-12-4x-2y=30 x=-y/2+30, you plug this into -12-4x-2y=30 and get -12+2y-120-2y=30 which gives 2y-2y=162. This is not possible, so the equation is unsolvable.
(12, 1)
4x-2y = 12 -2y = -4x+12 y = 2x-6 Therefore the y intercept is -6 and the slope is 2
2x-y=4
The result of the equation x + 2y - 2x - y equals x simplifies to y - x.