3(3-1)=b

Solution for 3(3-1)=b equation:

Simplifying
3(3 + -1) = b

Combine like terms: 3 + -1 = 2
3(2) = b

Multiply 3 * 2
6 = b

Solving
6 = b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
6 + -1b = b + -1b

Combine like terms: b + -1b = 0
6 + -1b = 0

Add '-6' to each side of the equation.
6 + -6 + -1b = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1b = 0 + -6
-1b = 0 + -6

Combine like terms: 0 + -6 = -6
-1b = -6

Divide each side by '-1'.
b = 6

Simplifying
b = 6