1.3(b+-8)+3.7b=-5.2

Solution for 1.3(b+-8)+3.7b=-5.2 equation:

Simplifying
1.3(b + -8) + 3.7b = -5.2

Reorder the terms:
1.3(-8 + b) + 3.7b = -5.2
(-8 * 1.3 + b * 1.3) + 3.7b = -5.2
(-10.4 + 1.3b) + 3.7b = -5.2

Combine like terms: 1.3b + 3.7b = 5b
-10.4 + 5b = -5.2

Solving
-10.4 + 5b = -5.2

Solving for variable 'b'.

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

Add '10.4' to each side of the equation.
-10.4 + 10.4 + 5b = -5.2 + 10.4

Combine like terms: -10.4 + 10.4 = 0.0
0.0 + 5b = -5.2 + 10.4
5b = -5.2 + 10.4

Combine like terms: -5.2 + 10.4 = 5.2
5b = 5.2

Divide each side by '5'.
b = 1.04

Simplifying
b = 1.04