3+xy=n+10

Solution for 3+xy=n+10 equation:

Simplifying
3 + xy = n + 10

Reorder the terms:
3 + xy = 10 + n

Solving
3 + xy = 10 + n

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + xy = 10 + -3 + n

Combine like terms: 3 + -3 = 0
0 + xy = 10 + -3 + n
xy = 10 + -3 + n

Combine like terms: 10 + -3 = 7
xy = 7 + n

Divide each side by 'y'.
x = 7y-1 + ny-1

Simplifying
x = 7y-1 + ny-1

Reorder the terms:
x = ny-1 + 7y-1