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3 years ago

12

(m +n + 3) + (m +n + 4)

2 answers:

S_A_V [24]3 years ago

8 0

2m+2n+7 is the correct answer

WITCHER [35]3 years ago

4 0

Answer:

2m+2n+7

Step-by-step explanation:

you add m+m=2m

n+b=2n

3+4=7

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