3b-6=9b+6

Solution for 3b-6=9b+6 equation:

Simplifying
3b + -6 = 9b + 6

Reorder the terms:
-6 + 3b = 9b + 6

Reorder the terms:
-6 + 3b = 6 + 9b

Solving
-6 + 3b = 6 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-6 + 3b + -9b = 6 + 9b + -9b

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

Combine like terms: 9b + -9b = 0
-6 + -6b = 6 + 0
-6 + -6b = 6

Add '6' to each side of the equation.
-6 + 6 + -6b = 6 + 6

Combine like terms: -6 + 6 = 0
0 + -6b = 6 + 6
-6b = 6 + 6

Combine like terms: 6 + 6 = 12
-6b = 12

Divide each side by '-6'.
b = -2

Simplifying
b = -2