amiyahalexis8 amiyahalexis8

10-12-2020
Mathematics

contestada

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

Respuesta :

10-12-2020

A=4

5a+7a-8

=5×4+7×4-8

=20+28-8

=40

So,the answer is 40.

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