6=(.5)(5)+b

Solution for 6=(.5)(5)+b equation:

Simplifying
6 = (0.5)(5) + b

Multiply 0.5 * 5
6 = 2.5 + b

Solving
6 = 2.5 + 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 = 2.5 + b + -1b

Combine like terms: b + -1b = 0
6 + -1b = 2.5 + 0
6 + -1b = 2.5

Add '-6' to each side of the equation.
6 + -6 + -1b = 2.5 + -6

Combine like terms: 6 + -6 = 0
0 + -1b = 2.5 + -6
-1b = 2.5 + -6

Combine like terms: 2.5 + -6 = -3.5
-1b = -3.5

Divide each side by '-1'.
b = 3.5

Simplifying
b = 3.5