-10.6+-2.5(2.5+-4.2b)=

Solution for -10.6+-2.5(2.5+-4.2b)= equation:

Simplifying
-10.6 + -2.5(2.5 + -4.2b) = 0
-10.6 + (2.5 * -2.5 + -4.2b * -2.5) = 0
-10.6 + (-6.25 + 10.5b) = 0

Combine like terms: -10.6 + -6.25 = -16.85
-16.85 + 10.5b = 0

Solving
-16.85 + 10.5b = 0

Solving for variable 'b'.

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

Add '16.85' to each side of the equation.
-16.85 + 16.85 + 10.5b = 0 + 16.85

Combine like terms: -16.85 + 16.85 = 0.00
0.00 + 10.5b = 0 + 16.85
10.5b = 0 + 16.85

Combine like terms: 0 + 16.85 = 16.85
10.5b = 16.85

Divide each side by '10.5'.
b = 1.604761905

Simplifying
b = 1.604761905