4(2n+5)=40

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Solution for 4(2n+5)=40 equation: 



4(2n+5)=40

We move all terms to the left:

4(2n+5)-(40)=0

We multiply parentheses

8n+20-40=0

We add all the numbers together, and all the variables

8n-20=0

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

8n=20

n=20/8

n=2+1/2

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