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Q: What is 2x plus 7y?

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(4x2)+ (28xy) + (49y2) = (2x + 7y)(2x + 7y) = (2x + 7y)2

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 + 4y - 5x + 3y = 7y - 3x

3x + 7y

2x + 3y = 17 3x + 4y = 24 (2x + 3x) + (3y + 4y) = (17 + 24) 5x + 7y = 41

2x + y = 7y = -2x + 7

6x plus 4y

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-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

(3x - 7y)(2x + 9y)

10x+2x-3y-4y=12x-7y

4x + 3y - 2x - 7y2x - 4y

If you mean: 2x+7y = -1 and 4x-3y = -19 then by substitution x = -4 and y = 1

10x - 3y + 2x - 4y =(10x + 2x) + (-3y - 4y) =12x - 7y

The given expression can be simplified to: x-12y

the answer to this problem is -2x^2y^2

a + 7y

2x(y - 3) + 7(y - 3) = (2x + 7)(y - 3)

This form. Y = mX + c- 2X - 7Y = - 2- 7Y = 2X - 2Y = (- 2/7)X + 2/7==============Y intercept = 2/7----------------------

3x-2y+9+9y-x = 2x+7y+9

If: 2x-7y = 20 Then: y = 2/7x -20/7 which is now in slope-intercept form

10x-7y=-110x+1=7y-2x -10x-1=-25-12x-1=-25-12x=-24x=-24/-12x=210(2)-7y=-120-7y=-121=7y21/7=yy=3

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