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

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

Simplifying
(2 + 3b) + -1(1 + 2b) = 0

Remove parenthesis around (2 + 3b)
2 + 3b + -1(1 + 2b) = 0
2 + 3b + (1 * -1 + 2b * -1) = 0
2 + 3b + (-1 + -2b) = 0

Reorder the terms:
2 + -1 + 3b + -2b = 0

Combine like terms: 2 + -1 = 1
1 + 3b + -2b = 0

Combine like terms: 3b + -2b = 1b
1 + 1b = 0

Solving
1 + 1b = 0

Solving for variable 'b'.

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

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

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

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

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

Simplifying
b = -1