3(2b+1)+3b=30

Solution for 3(2b+1)+3b=30 equation:

Simplifying
3(2b + 1) + 3b = 30

Reorder the terms:
3(1 + 2b) + 3b = 30
(1 * 3 + 2b * 3) + 3b = 30
(3 + 6b) + 3b = 30

Combine like terms: 6b + 3b = 9b
3 + 9b = 30

Solving
3 + 9b = 30

Solving for variable 'b'.

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

Add '-3' to each side of the equation.
3 + -3 + 9b = 30 + -3

Combine like terms: 3 + -3 = 0
0 + 9b = 30 + -3
9b = 30 + -3

Combine like terms: 30 + -3 = 27
9b = 27

Divide each side by '9'.
b = 3

Simplifying
b = 3