0.3(r+8)-2.67=5.3

Solution for 0.3(r+8)-2.67=5.3 equation:

Simplifying
0.3(r + 8) + -2.67 = 5.3

Reorder the terms:
0.3(8 + r) + -2.67 = 5.3
(8 * 0.3 + r * 0.3) + -2.67 = 5.3
(2.4 + 0.3r) + -2.67 = 5.3

Reorder the terms:
2.4 + -2.67 + 0.3r = 5.3

Combine like terms: 2.4 + -2.67 = -0.27
-0.27 + 0.3r = 5.3

Solving
-0.27 + 0.3r = 5.3

Solving for variable 'r'.

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

Add '0.27' to each side of the equation.
-0.27 + 0.27 + 0.3r = 5.3 + 0.27

Combine like terms: -0.27 + 0.27 = 0.00
0.00 + 0.3r = 5.3 + 0.27
0.3r = 5.3 + 0.27

Combine like terms: 5.3 + 0.27 = 5.57
0.3r = 5.57

Divide each side by '0.3'.
r = 18.56666667

Simplifying
r = 18.56666667