-4(7a=5)=-160

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Solution for -4(7a=5)=-160 equation: 



-4(7a=5)=-160

We move all terms to the left:

-4(7a-(5))=0

We multiply parentheses

-28a+20=0

We move all terms containing a to the left, all other terms to the right

-28a=-20

a=-20/-28

a=5/7

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