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13-05-2016
Mathematics

contestada

Absolute Value
8+|3y - 5|=15

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13-05-2016

minus 8 oth sides
|3y-5|=7

assume that if you have
|x|=y
assume
x=y and x=-y are 2 solutions

3x-5=7 and
3x-5=-7
solve

3x-5=7
3x=12
x=4

3x-5=-7
3x=-2
x=-2/3

x=4 or -2/3

Answer Link

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