7.69-(2.5)(4)=a

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Solution for 7.69-(2.5)(4)=a equation: 



7.69-(2.5)(4)=a

We move all terms to the left:

7.69-(2.5)(4)-(a)=0

We add all the numbers together, and all the variables

-1a-2.31=0

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

-a=2.31

a=2.31/-1

a=-2+0.31/1

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