Daniellethomas Daniellethomas

15-09-2016
Mathematics

contestada

What is 8x-4y=-12;-3,-1,1 solve for y

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nobillionaireNobley nobillionaireNobley

16-09-2016

8x - 4y = -12
4y = 8x + 12
y = 8/4 x + 12/4
y = 2x + 3

When x = -3,
y = 2(-3) + 3 = -6 + 3 = -3
When x = -1,
y = 2(-1) + 3 = -2 + 3 = 1
When x = 1,
y = 2(1) + 3 = 2 + 3 = 5

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