1.2(b-12)=78

Solution for 1.2(b-12)=78 equation:

Simplifying
1.2(b + -12) = 78

Reorder the terms:
1.2(-12 + b) = 78
(-12 * 1.2 + b * 1.2) = 78
(-14.4 + 1.2b) = 78

Solving
-14.4 + 1.2b = 78

Solving for variable 'b'.

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

Add '14.4' to each side of the equation.
-14.4 + 14.4 + 1.2b = 78 + 14.4

Combine like terms: -14.4 + 14.4 = 0.0
0.0 + 1.2b = 78 + 14.4
1.2b = 78 + 14.4

Combine like terms: 78 + 14.4 = 92.4
1.2b = 92.4

Divide each side by '1.2'.
b = 77

Simplifying
b = 77