9(b+6)-3=78

Solution for 9(b+6)-3=78 equation:

Simplifying
9(b + 6) + -3 = 78

Reorder the terms:
9(6 + b) + -3 = 78
(6 * 9 + b * 9) + -3 = 78
(54 + 9b) + -3 = 78

Reorder the terms:
54 + -3 + 9b = 78

Combine like terms: 54 + -3 = 51
51 + 9b = 78

Solving
51 + 9b = 78

Solving for variable 'b'.

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

Add '-51' to each side of the equation.
51 + -51 + 9b = 78 + -51

Combine like terms: 51 + -51 = 0
0 + 9b = 78 + -51
9b = 78 + -51

Combine like terms: 78 + -51 = 27
9b = 27

Divide each side by '9'.
b = 3

Simplifying
b = 3