7-3(2n-1)=4(5-n)-7n

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Solution for 7-3(2n-1)=4(5-n)-7n equation: 



7-3(2n-1)=4(5-n)-7n

We move all terms to the left:

7-3(2n-1)-(4(5-n)-7n)=0

We add all the numbers together, and all the variables

-3(2n-1)-(4(-1n+5)-7n)+7=0

We multiply parentheses

-6n-(4(-1n+5)-7n)+3+7=0



We calculate terms in parentheses: -(4(-1n+5)-7n), so:

4(-1n+5)-7n

We add all the numbers together, and all the variables

-7n+4(-1n+5)

We multiply parentheses

-7n-4n+20

We add all the numbers together, and all the variables

-11n+20

Back to the equation:

-(-11n+20)



We add all the numbers together, and all the variables

-6n-(-11n+20)+10=0

We get rid of parentheses

-6n+11n-20+10=0

We add all the numbers together, and all the variables

5n-10=0

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

5n=10

n=10/5

n=2

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