Question 1103639
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 |4y-7| - 2 = 0

is equivalent to

 |4y-7| = 2.


This equation deploys in two equations:


1)  4y - 7 = 2  ====>  4y = 2 + 7 = 9  ====>  y = {{{9/4}}}.


2)  4y - 7 = -2 ====>  4y = -2 + 7 = 5  ====>  y = {{{5/4}}}.


<U>Answer</U>.  There are TWO solutions:  y = {{{9/4}}},  y = {{{5/4}}}.
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