2x-4y=-8-2x......-2x-4y=-2x-8(-4y)/-4 | (-2x-8)/-4y=1/2x+2
2x-4y=4 -4y=-2x+4 y=1/2x-1 Slope is 1/2 (.5)
Combine like terms: -2x - 4y + 5x - 7y = 3x - 11y -2x + 5x = 3x -4y + -7y = -11y
2
It is not one, but they are two perpendicular lines.
2x-4y = 16 -4y = -2x+16 y = 1/2x-4 Any equation that has a slope of 1/2 but a different intercept of -4.
If you mean: 3+2x = 12 and 4y-x = 5 then their values are x = 4.5 and y = 2.375
If: 2x-3y = -15 and x = 4y Then: x = -12 and y = -3
2x-4y=-8-2x......-2x-4y=-2x-8(-4y)/-4 | (-2x-8)/-4y=1/2x+2
39.0625 is.
(12, 1)
x = 4 and y = 0
2x + 4y = 12 ie 4y = 12 - 2x so y = 3 - x/2 Test: take x as 8 so y = -1: 2 x 8 + 4 x -1 does indeed = 12.
4y = 8x Divide each side by 4: y = 2x Draw a straight line, through the origin, with a slope of +2 .
2x - 4y = 8 2x = 4y + 8 x = 2y + 4
4y-8x = 12 4y = 8x+12 y = 2x+3 So the slope is 2 and the y intercept is 3
3