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12-10-2016
Mathematics

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how do you solve this? x - 2y = 4

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12-10-2016

if you want to solve for x, then
add 2y to both sides
x=2y+4
if want to solve for y
minus x both sides and divide by -2
x-2y=4
-2y=-x+4
y=1/2x-2

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