21(2)+n(2)=112

Solution for 21(2)+n(2)=112 equation:

Simplifying
21(2) + n(2) = 112

Multiply 21 * 2
42 + n(2) = 112

Reorder the terms for easier multiplication:
42 + 2n = 112

Solving
42 + 2n = 112

Solving for variable 'n'.

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

Add '-42' to each side of the equation.
42 + -42 + 2n = 112 + -42

Combine like terms: 42 + -42 = 0
0 + 2n = 112 + -42
2n = 112 + -42

Combine like terms: 112 + -42 = 70
2n = 70

Divide each side by '2'.
n = 35

Simplifying
n = 35