R(2)+18r-1=5

Solution for R(2)+18r-1=5 equation:

Simplifying
R(2) + 18r + -1 = 5

Reorder the terms for easier multiplication:
2R + 18r + -1 = 5

Reorder the terms:
-1 + 2R + 18r = 5

Solving
-1 + 2R + 18r = 5

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 + 2R + 1 + 18r = 5 + 1

Reorder the terms:
-1 + 1 + 2R + 18r = 5 + 1

Combine like terms: -1 + 1 = 0
0 + 2R + 18r = 5 + 1
2R + 18r = 5 + 1

Combine like terms: 5 + 1 = 6
2R + 18r = 6

Add '-18r' to each side of the equation.
2R + 18r + -18r = 6 + -18r

Combine like terms: 18r + -18r = 0
2R + 0 = 6 + -18r
2R = 6 + -18r

Divide each side by '2'.
R = 3 + -9r

Simplifying
R = 3 + -9r