139=5(1-4n)+2n

Solution for 139=5(1-4n)+2n equation:

Simplifying
139 = 5(1 + -4n) + 2n
139 = (1 * 5 + -4n * 5) + 2n
139 = (5 + -20n) + 2n

Combine like terms: -20n + 2n = -18n
139 = 5 + -18n

Solving
139 = 5 + -18n

Solving for variable 'n'.

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

Add '18n' to each side of the equation.
139 + 18n = 5 + -18n + 18n

Combine like terms: -18n + 18n = 0
139 + 18n = 5 + 0
139 + 18n = 5

Add '-139' to each side of the equation.
139 + -139 + 18n = 5 + -139

Combine like terms: 139 + -139 = 0
0 + 18n = 5 + -139
18n = 5 + -139

Combine like terms: 5 + -139 = -134
18n = -134

Divide each side by '18'.
n = -7.444444444

Simplifying
n = -7.444444444