Answer
5y
12$x^{2}$
5y+x
16$m^{2}$
Work Step by Step
$9y-4y=5y$
$11x^{2}+x^{2}=12x^{2}$
$5y-3x+4x=5y+x$
$14m^{2}-m^{2}+3m^{2}=16m^{2}$
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