4(1+8n)=7n-21

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Solution for 4(1+8n)=7n-21 equation: 



4(1+8n)=7n-21

We move all terms to the left:

4(1+8n)-(7n-21)=0

We add all the numbers together, and all the variables

4(8n+1)-(7n-21)=0

We multiply parentheses

32n-(7n-21)+4=0

We get rid of parentheses

32n-7n+21+4=0

We add all the numbers together, and all the variables

25n+25=0

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

25n=-25

n=-25/25

n=-1

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