27=3(r+1)

Solution for 27=3(r+1) equation:

Simplifying
27 = 3(r + 1)

Reorder the terms:
27 = 3(1 + r)
27 = (1 * 3 + r * 3)
27 = (3 + 3r)

Solving
27 = 3 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
27 + -3r = 3 + 3r + -3r

Combine like terms: 3r + -3r = 0
27 + -3r = 3 + 0
27 + -3r = 3

Add '-27' to each side of the equation.
27 + -27 + -3r = 3 + -27

Combine like terms: 27 + -27 = 0
0 + -3r = 3 + -27
-3r = 3 + -27

Combine like terms: 3 + -27 = -24
-3r = -24

Divide each side by '-3'.
r = 8

Simplifying
r = 8