2x-7y=14 2x-14=7y from this equation the slope is 2/7
If you mean: 2x+7y = -1 and 4x-3y = -19 then by substitution x = -4 and y = 1
10x+2x-3y-4y=12x-7y
4x + 3y - 2x - 7y2x - 4y
2x(y - 3) + 7(y - 3) = (2x + 7)(y - 3)
4x^(2) + 28xy + 49y^(2) -> (2x)^(2) + 28xy + (7y)^2 Split into brackets ( 2x + 7y)(2x + 7y) If you applyuFOIL you will find toy come to '28xy'. The clue to this problem is to note that '4' ^ '49' are both squared numbers.
if: 2x + 6 = -6 then: 2x = -12 x = -6 if: 5x + 7y = 1 then: 5(-6) + 7y = 1 7y = 31 y = 31/7
Combine like terms: -2x - 4y + 5x - 7y = 3x - 11y -2x + 5x = 3x -4y + -7y = -11y
(2x - 3y)(2x - 7y)
2x + 3y = 17 3x + 4y = 24 (2x + 3x) + (3y + 4y) = (17 + 24) 5x + 7y = 41
3x + 7y
Yes, they are. If you solve 2x + 7y = 6 for y, you get y = (-2x + 6) / 7. If you solve 7y + 2x + 6 = 0 for y, you get y = (-2x - 6) / 7. As you can see, both equations have the same slope. Therefore they are parallel. You can punch those equations into a graphing calculator and visually verify that they are indeed parallel.
2x + y = 7y = -2x + 7
6x plus 4y
2x-7y=14 2x-14=7y from this equation the slope is 2/7
If you mean: (2x-7y)(x+y) then it is 2x squared -5xy -7y squared
If you mean: 2x+7y = -1 and 4x-3y = -19 then by substitution x = -4 and y = 1