1.50+n+2+n=10.50

Solution for 1.50+n+2+n=10.50 equation:

Simplifying
1.50 + n + 2 + n = 10.50

Reorder the terms:
1.50 + 2 + n + n = 10.50

Combine like terms: 1.50 + 2 = 3.5
3.5 + n + n = 10.50

Combine like terms: n + n = 2n
3.5 + 2n = 10.50

Solving
3.5 + 2n = 10.50

Solving for variable 'n'.

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

Add '-3.5' to each side of the equation.
3.5 + -3.5 + 2n = 10.50 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + 2n = 10.50 + -3.5
2n = 10.50 + -3.5

Combine like terms: 10.50 + -3.5 = 7
2n = 7

Divide each side by '2'.
n = 3.5

Simplifying
n = 3.5