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svet-max [94.6K]
3 years ago
10

A=4 5a+ 7a - 8 please help me

Mathematics
1 answer:
vlabodo [156]3 years ago
3 0

A=4

5a+7a-8

=5×4+7×4-8

=20+28-8

=40

So,the answer is 40.

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