3n+(-7)-5n+1=0

Solution for 3n+(-7)-5n+1=0 equation:

Simplifying
3n + (-7) + -5n + 1 = 0
3n + -7 + -5n + 1 = 0

Reorder the terms:
-7 + 1 + 3n + -5n = 0

Combine like terms: -7 + 1 = -6
-6 + 3n + -5n = 0

Combine like terms: 3n + -5n = -2n
-6 + -2n = 0

Solving
-6 + -2n = 0

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '6' to each side of the equation.
-6 + 6 + -2n = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -2n = 0 + 6
-2n = 0 + 6

Combine like terms: 0 + 6 = 6
-2n = 6

Divide each side by '-2'.
n = -3

Simplifying
n = -3