.3(b-4)=1

Solution for .3(b-4)=1 equation:

Simplifying
0.3(b + -4) = 1

Reorder the terms:
0.3(-4 + b) = 1
(-4 * 0.3 + b * 0.3) = 1
(-1.2 + 0.3b) = 1

Solving
-1.2 + 0.3b = 1

Solving for variable 'b'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.3b = 1 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.3b = 1 + 1.2
0.3b = 1 + 1.2

Combine like terms: 1 + 1.2 = 2.2
0.3b = 2.2

Divide each side by '0.3'.
b = 7.333333333

Simplifying
b = 7.333333333