Answer :

xaviero

Answer:

8a+5b-9

Step-by-step explanation:

(8a+2b-4)+(3b-5)=8a+(2b+3b)+(-4-5)=8a+5b-9

8a+2b-a)+(3b-5)

=8a+5b-9

290451

Answer:

is ur teacher ms.long

Step-by-step explanation:

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