(2/3n)+7=7-n

Solution for (2/3n)+7=7-n equation:

(2/3n)+7=7-n

We move all terms to the left:

(2/3n)+7-(7-n)=0


Domain of the equation: 3n)!=0

n!=0/1

n!=0

n∈R


We add all the numbers together, and all the variables

(+2/3n)-(-1n+7)+7=0

We get rid of parentheses

2/3n+1n-7+7=0

We multiply all the terms by the denominator


1n*3n-7*3n+7*3n+2=0

Wy multiply elements

3n^2-21n+21n+2=0

We add all the numbers together, and all the variables

3n^2+2=0

a = 3; b = 0; c = +2;
Δ = b2-4ac
Δ = 02-4·3·2
Δ = -24
Delta is less than zero, so there is no solution for the equation