12.6=6b+1.8+1.8

Solution for 12.6=6b+1.8+1.8 equation:

Simplifying
12.6 = 6b + 1.8 + 1.8

Reorder the terms:
12.6 = 1.8 + 1.8 + 6b

Combine like terms: 1.8 + 1.8 = 3.6
12.6 = 3.6 + 6b

Solving
12.6 = 3.6 + 6b

Solving for variable 'b'.

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

Add '-6b' to each side of the equation.
12.6 + -6b = 3.6 + 6b + -6b

Combine like terms: 6b + -6b = 0
12.6 + -6b = 3.6 + 0
12.6 + -6b = 3.6

Add '-12.6' to each side of the equation.
12.6 + -12.6 + -6b = 3.6 + -12.6

Combine like terms: 12.6 + -12.6 = 0.0
0.0 + -6b = 3.6 + -12.6
-6b = 3.6 + -12.6

Combine like terms: 3.6 + -12.6 = -9
-6b = -9

Divide each side by '-6'.
b = 1.5

Simplifying
b = 1.5