30(n-5)=40-20n

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Solution for 30(n-5)=40-20n equation: 



30(n-5)=40-20n

We move all terms to the left:

30(n-5)-(40-20n)=0

We add all the numbers together, and all the variables

30(n-5)-(-20n+40)=0

We multiply parentheses

30n-(-20n+40)-150=0

We get rid of parentheses

30n+20n-40-150=0

We add all the numbers together, and all the variables

50n-190=0

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

50n=190

n=190/50

n=3+4/5

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