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15-06-2017
Mathematics

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which of these points lies on the line described by the equation below? y+8=-4(x+7)

A. (-7, -8)
B. (8, 7)
C. (7, 8)
D. (-8,-7)

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randomkid100 randomkid100

15-06-2017

d. (-8,-7) Simplifyingy + -8 = 4(x + 7) Reorder the terms: -8 + y = 4(x + 7) Reorder the terms: -8 + y = 4(7 + x) -8 + y = (7 * 4 + x * 4) -8 + y = (28 + 4x) Solving -8 + y = 28 + 4x Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + y = 28 + 8 + 4x

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