2(1+7r)-3=111

Solution for 2(1+7r)-3=111 equation:

Simplifying
2(1 + 7r) + -3 = 111
(1 * 2 + 7r * 2) + -3 = 111
(2 + 14r) + -3 = 111

Reorder the terms:
2 + -3 + 14r = 111

Combine like terms: 2 + -3 = -1
-1 + 14r = 111

Solving
-1 + 14r = 111

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 14r = 111 + 1

Combine like terms: -1 + 1 = 0
0 + 14r = 111 + 1
14r = 111 + 1

Combine like terms: 111 + 1 = 112
14r = 112

Divide each side by '14'.
r = 8

Simplifying
r = 8