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Q: What is 2x plus 8y plus 7 equals 0?

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x + 4y = 5Standard Form for a linear equation is Ax + By = C, where B is not = 0, A is >=0, A is an integer, and -preferably- A, B and C have no common factor. Sometimes ax + by + c = 0 is used instead.10 - 2x = 8y 10-2x-8y =0 -2x-8y=-10 2x+8y=10 x+4y=5.

Multiply First equation by 2: 6y - 2x = 0Add second equation to this: 6y - 2x + 2x + 2y = 0 + 7Simplify: 8y = 7 so y = 0.875 and x = 2.625

-1

x=0

x = 0

The standard form is 3x - 8y - 4 = 0

The standard form is 3x + 8y + 4 = 0

-2x+16 = 0 -2x = -16 x = 8

If -2x +14 = 0, -2x = -14, or x = 7.

This form needed. Y = mX + c2X + 8Y = 408Y = - 2X + 40Y = - 1/4 + 5-----------------------zero out the Y- 1/4X + 5 = 0- 1/4X = - 5X = 20-------------------your X intercept

16y2-8y=0 8y(2y-1)=0

y2 +8y + 16 = 0 can factor to (y+4) (y+4) = 0 so y+4 = 0 so y = -4

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