Question 1176557
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Notice that in the left side you have two terms containing "y" only.


Combine like terms.  You will get


    3y = - 4,


which implies  y = {{{-4/3}}}.


It describes a horizontal line, parallel to x=axis.
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That's all.


When you say "I am having trouble . . . ", I really do not understand what is the cause of your trouble . . .