5-(4-b)=-b

Solution for 5-(4-b)=-b equation:

Simplifying
5 + -1(4 + -1b) = -1b
5 + (4 * -1 + -1b * -1) = -1b
5 + (-4 + 1b) = -1b

Combine like terms: 5 + -4 = 1
1 + 1b = -1b

Solving
1 + 1b = -1b

Solving for variable 'b'.

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

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

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

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

Add '-1' to each side of the equation.
1 + -1 + 2b = 0 + -1

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

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

Divide each side by '2'.
b = -0.5

Simplifying
b = -0.5