4b+7b-1.6=1.2

Solution for 4b+7b-1.6=1.2 equation:

Simplifying
4b + 7b + -1.6 = 1.2

Reorder the terms:
-1.6 + 4b + 7b = 1.2

Combine like terms: 4b + 7b = 11b
-1.6 + 11b = 1.2

Solving
-1.6 + 11b = 1.2

Solving for variable 'b'.

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

Add '1.6' to each side of the equation.
-1.6 + 1.6 + 11b = 1.2 + 1.6

Combine like terms: -1.6 + 1.6 = 0.0
0.0 + 11b = 1.2 + 1.6
11b = 1.2 + 1.6

Combine like terms: 1.2 + 1.6 = 2.8
11b = 2.8

Divide each side by '11'.
b = 0.2545454545

Simplifying
b = 0.2545454545