Q: Is 3y - 4x 20 linear?

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4x + 3y= 90 -4x -4x _______________ 3y = -4x + 90 /3 /3 ________________ y = -4/3x + 30 hope that helped

8x-3y=6-4x gives 12x-3y=6 which in standard form is y=-2+4x

If: -4x+3y = 1 Then: 3y = 4x+1 And: y = 4/3x+1/3 which is now in slope-intercept form

2x + 3y + 4x + 9y = 2x + 4x + 3y + 9y = 6x + 12y which can be simplified to 6(x + 2y)

4x + 3y=9 x=0 y=3

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(4x + 3y)(4x + 3y) or (4x + 3y)2

4x + 3y + 3 = 4 ----> 4x = 1 - 3y ----> x = 0.25 - 0.75y ----> 3y = 1 - 4x ----> y = (1/3) - (4/3)x

2x + 3y = 18 2x - 3y = 20

3y = 4x + 9 -4x + 3y = 9 is the standard form

3y=4x+9.....-4xAnswer: 4x-3y=9

2X - 3Y = -2 4X + Y = 24 -2(2X - 3Y = - 2) 4X + Y = 24 - 4X + 6Y = 4 4X + Y = 24 ------------------+ 7Y = 28 Y = 4 ------- insert back into one of the equations ( 4X + Y = 24 will do ) 4X +(4) = 24 4X = 20 X =5 -------- check 2(5) - 3(4) = -2 10 - 12 = -2 -2 = -2 checks I can see by inspection that the other equation checks also

x = 5 y = 2 4x - 3y = ? 4(5) - 3(2) = ? 20 - 6 = 14

4x + 3y= 90 -4x -4x _______________ 3y = -4x + 90 /3 /3 ________________ y = -4/3x + 30 hope that helped

4x+3y = 12 3y = -4x+12 y = -4/3x+4

-4x + 3y = 9

16x2 + 8x + 1 - 9y2 = (4x + 1)2 - (3y)2 which is a difference of two squares. = (4x + 1 + 3y)*(4x + 1 - 3y)

4x+3y = 6 3y = -4x+6 y = -4/3x+2 in slope intercept form