-2.5(2a-4)=40

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Solution for -2.5(2a-4)=40 equation: 



-2.5(2a-4)=40

We move all terms to the left:

-2.5(2a-4)-(40)=0

We multiply parentheses

-5a+10-40=0

We add all the numbers together, and all the variables

-5a-30=0

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

-5a=30

a=30/-5

a=-6

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