140=8(1-4n)+4

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Solution for 140=8(1-4n)+4 equation: 



140=8(1-4n)+4

We move all terms to the left:

140-(8(1-4n)+4)=0

We add all the numbers together, and all the variables

-(8(-4n+1)+4)+140=0



We calculate terms in parentheses: -(8(-4n+1)+4), so:

8(-4n+1)+4

We multiply parentheses

-32n+8+4

We add all the numbers together, and all the variables

-32n+12

Back to the equation:

-(-32n+12)



We get rid of parentheses

32n-12+140=0

We add all the numbers together, and all the variables

32n+128=0

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

32n=-128

n=-128/32

n=-4

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