4(a+5)=20.4

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Solution for 4(a+5)=20.4 equation: 



4(a+5)=20.4

We move all terms to the left:

4(a+5)-(20.4)=0

We add all the numbers together, and all the variables

4(a+5)-20.4=0

We multiply parentheses

4a+20-20.4=0

We add all the numbers together, and all the variables

4a-0.4=0

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

4a=0.4

a=0.4/4

a=0.4/4

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