8=(0.75)a+12-a+4

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Solution for 8=(0.75)a+12-a+4 equation: 



8=(0.75)a+12-a+4

We move all terms to the left:

8-((0.75)a+12-a+4)=0



We calculate terms in parentheses: -((0.75)a+12-a+4), so:

(0.75)a+12-a+4

determiningTheFunctionDomain
(0.75)a-a+12+4

We add all the numbers together, and all the variables

-1a+(0.75)a+16

We multiply parentheses

-1a+0.75a+16

We add all the numbers together, and all the variables

-0.25a+16

Back to the equation:

-(-0.25a+16)



We get rid of parentheses

0.25a-16+8=0

We add all the numbers together, and all the variables

0.25a-8=0

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

0.25a=8

a=8/0.25

a=32

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