kell3899 kell3899

10-03-2017
Mathematics

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please isolate y and use the equation to get the following answers with x

please isolate y and use the equation to get the following answers with x class=

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kyleighlauren357 kyleighlauren357

10-03-2017

1: Subtract x on both sides: 2y = 4 - x
2: divide both sides by 2: y = 2 - x/2

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10-03-2017

x + 2y = 4
2y = -x + 4
divide both sides by 2
y = (-1/2)x + 2
y = (-1/2)(1) + 2 = 1 1/2
y = (-1/2)(2) + 2 = 1
y = (-1/2)(3) + 2 = 1/2
y = (-1/2)(4) + 2 = 0
y = (-1/2)(5) + 2 = - 1/2

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