10.50=1.50n+2n

Solution for 10.50=1.50n+2n equation:

Simplifying
10.50 = 1.50n + 2n

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

Solving
10.50 = 3.5n

Solving for variable 'n'.

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

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

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

Add '-10.50' to each side of the equation.
10.50 + -10.50 + -3.5n = 0.0 + -10.50

Combine like terms: 10.50 + -10.50 = 0.00
0.00 + -3.5n = 0.0 + -10.50
-3.5n = 0.0 + -10.50

Combine like terms: 0.0 + -10.50 = -10.5
-3.5n = -10.5

Divide each side by '-3.5'.
n = 3

Simplifying
n = 3