the answer is 12, 3x4=12
Answer:
I think it is A, C, E I'm. it too sure, sorry if it's wrong
2+5(x+3)- (2x-7)(x+2)
7(x+3)- (3x+4x-7x-14)
(7x+21)-(7x-7x-14)
(7x+21)-(14)
7x+21-14
=7x+7
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