4(5-5n)-7(5-4n)+3=0

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Solution for 4(5-5n)-7(5-4n)+3=0 equation: 



4(5-5n)-7(5-4n)+3=0

We add all the numbers together, and all the variables

4(-5n+5)-7(-4n+5)+3=0

We multiply parentheses

-20n+28n+20-35+3=0

We add all the numbers together, and all the variables

8n-12=0

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

8n=12

n=12/8

n=1+1/2

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