2-5n=2(1+n)-7n

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Solution for 2-5n=2(1+n)-7n equation:



2-5n=2(1+n)-7n
We move all terms to the left:
2-5n-(2(1+n)-7n)=0
We add all the numbers together, and all the variables
-5n-(2(n+1)-7n)+2=0
We calculate terms in parentheses: -(2(n+1)-7n), so:
2(n+1)-7n
We add all the numbers together, and all the variables
-7n+2(n+1)
We multiply parentheses
-7n+2n+2
We add all the numbers together, and all the variables
-5n+2
Back to the equation:
-(-5n+2)
We get rid of parentheses
-5n+5n-2+2=0
We add all the numbers together, and all the variables
=0
n=0/1
n=0

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