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

User Maarten Winkels
by
4.6k points

1 Answer

4 votes

A=4

5a+7a-8

=5×4+7×4-8

=20+28-8

=40

So,the answer is 40.

User Shynline
by
4.5k points
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