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lidiya [134]
2 years ago
7

Does anybody know the answer to it? It is very confusing for me. It is 6th grade.​

Mathematics
2 answers:
Leviafan [203]2 years ago
5 0

Answer:

13a+16b+12

Step-by-step explanation:

5(a+3b)+b+8a+12

= 5a +15b+b+8a+12

=5a +8a+15b+b+12

=13a+16b+12

SashulF [63]2 years ago
5 0

Answer:

13a+16b+12

Step-by-step explanation:

5(a+3b)+b+8a+12

= 5a +15b+b+8a+12

=5a +8a+15b+b+12

=13a+16b+12

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