3+5(b-3(b-5))=

Solution for 3+5(b-3(b-5))= equation:

Simplifying
3 + 5(b + -3(b + -5)) = 0

Reorder the terms:
3 + 5(b + -3(-5 + b)) = 0
3 + 5(b + (-5 * -3 + b * -3)) = 0
3 + 5(b + (15 + -3b)) = 0

Reorder the terms:
3 + 5(15 + b + -3b) = 0

Combine like terms: b + -3b = -2b
3 + 5(15 + -2b) = 0
3 + (15 * 5 + -2b * 5) = 0
3 + (75 + -10b) = 0

Combine like terms: 3 + 75 = 78
78 + -10b = 0

Solving
78 + -10b = 0

Solving for variable 'b'.

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

Add '-78' to each side of the equation.
78 + -78 + -10b = 0 + -78

Combine like terms: 78 + -78 = 0
0 + -10b = 0 + -78
-10b = 0 + -78

Combine like terms: 0 + -78 = -78
-10b = -78

Divide each side by '-10'.
b = 7.8

Simplifying
b = 7.8