Help me!!!!.............

Question

Help me!!!!.............

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Answer 1

A)13a-8(7a-1)=13a-56a+8=-43a+8
б)2(2p-1)+4=4p-2+4=4p+2
в)21x-7-4(9x+3)=21x-7-36x-12=-15x-19
г)33-8(11b-1)-2b=33-88b+8-2b=41-90b