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4x-2y+3x+2y When simplified: 7x
First, write out the problem: x+2y=4 then you have to simplify it so that only y is on one side x+2y=4 -4 -4 x+2y-4=0 -2y -2y x-4=-2y / -2 = -1/2x + 2 = y then, draw out a graph: and, let's say, x=4, then you plug that into the equation, and solve for y in this case, if x=4, then y=0, so one of the points would be (4, 0)
A Straight line !!!! 6x + 2y = 8 Algebriacally rearrange 2y = -6x + 8 y = -3x + 4 It is now in the straight line form of y = mx + c , The gradient'slope is '-3' and the y-intercept is '+4'.
Exactly (2y + 4) .
(2y + 1) + (y^2 + 1) = 2y + 1 + y^2 + 1 = y^2 + 2y + 2