4(2.25-5.25a)=0

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Solution for 4(2.25-5.25a)=0 equation: 



4(2.25-5.25a)=0

We add all the numbers together, and all the variables

4(-5.25a+2.25)=0

We multiply parentheses

-20a+9=0

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

-20a=-9

a=-9/-20

a=9/20

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