4(0.8n-0.5)=4.2n-1.57

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Solution for 4(0.8n-0.5)=4.2n-1.57 equation: 



4(0.8n-0.5)=4.2n-1.57

We move all terms to the left:

4(0.8n-0.5)-(4.2n-1.57)=0

We multiply parentheses

0n-(4.2n-1.57)-2=0

We get rid of parentheses

0n-4.2n+1.57-2=0

We add all the numbers together, and all the variables

-3.2n-0.43=0

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

-3.2n=0.43

n=0.43/-3.2

n=-0.43/3.2

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