105=7(5-2n)

Solution for 105=7(5-2n) equation:

Simplifying
105 = 7(5 + -2n)
105 = (5 * 7 + -2n * 7)
105 = (35 + -14n)

Solving
105 = 35 + -14n

Solving for variable 'n'.

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

Add '14n' to each side of the equation.
105 + 14n = 35 + -14n + 14n

Combine like terms: -14n + 14n = 0
105 + 14n = 35 + 0
105 + 14n = 35

Add '-105' to each side of the equation.
105 + -105 + 14n = 35 + -105

Combine like terms: 105 + -105 = 0
0 + 14n = 35 + -105
14n = 35 + -105

Combine like terms: 35 + -105 = -70
14n = -70

Divide each side by '14'.
n = -5

Simplifying
n = -5