147=7(1+n)

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Solution for 147=7(1+n) equation: 



147=7(1+n)

We move all terms to the left:

147-(7(1+n))=0

We add all the numbers together, and all the variables

-(7(n+1))+147=0



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

7(n+1)

We multiply parentheses

7n+7

Back to the equation:

-(7n+7)



We get rid of parentheses

-7n-7+147=0

We add all the numbers together, and all the variables

-7n+140=0

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

-7n=-140

n=-140/-7

n=+20

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