Sagot :
[tex](43x+62y)+(34x-25y)\ \ \ \ |use\ Commutative\ and\ Associative\ property\\\\=(43x+34x)+(62y-25y)\\\\=\boxed{77x+37y\to\boxed{D}}[/tex]
[tex]Commutative\ property:a+b=b+a\\\\Associative\ property:(a+b)+c=a+(b+c)[/tex]
[tex]Commutative\ property:a+b=b+a\\\\Associative\ property:(a+b)+c=a+(b+c)[/tex]
(43x+62y)+(34x-25y)=
43x+62y+34x-25y=
43x+34x+62y-25y=
77x+37y
The answer is D.
43x+62y+34x-25y=
43x+34x+62y-25y=
77x+37y
The answer is D.