(5) 2a+5b+3a-b= (6) 4a+b+3b+a= (7) 7a+9b-2a-5b= (8) 5a-7b-3a+2b= (9) 6a-2b-4a-3b=

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(5) 2a+5b+3a-b= (6) 4a+b+3b+a= (7) 7a+9b-2a-5b= (8) 5a-7b-3a+2b= (9) 6a-2b-4a-3b=

Name: (5) 2a+5b+3a-b= (6) 4a+b+3b+a= (7) 7a+9b-2a-5b= (8) 5a-7b-3a+2b= (9) 6a-2b-4a-3b=
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StéfanoProfissional · Tutor por 6 anos

(5) $2a+5b+3a-b=5a+4b$<br />(6) $4a+b+3b+a=5a+4b$<br />(7) $7a+9b-2a-5b=5a+4b$<br />(8) $5a-7b-3a+2b=2a-5b$<br />(9) $6a-2b-4a-3b=2a-5b$

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