The replacement set is 
Replace x in
with each value in the replacement set and
check whether the equation is true or not.
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x \ | \
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-2 \ | \
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-1 \ | \
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0 \ | \
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1 \ | \
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2 \ | \
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The solution set of y = {-1, 2, 5, 8, 11}.
\
The solution set is y = {-1, 2, 5, 8, 11}.