3b-4(b+5)=10

Solution for 3b-4(b+5)=10 equation:

Simplifying
3b + -4(b + 5) = 10

Reorder the terms:
3b + -4(5 + b) = 10
3b + (5 * -4 + b * -4) = 10
3b + (-20 + -4b) = 10

Reorder the terms:
-20 + 3b + -4b = 10

Combine like terms: 3b + -4b = -1b
-20 + -1b = 10

Solving
-20 + -1b = 10

Solving for variable 'b'.

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

Add '20' to each side of the equation.
-20 + 20 + -1b = 10 + 20

Combine like terms: -20 + 20 = 0
0 + -1b = 10 + 20
-1b = 10 + 20

Combine like terms: 10 + 20 = 30
-1b = 30

Divide each side by '-1'.
b = -30

Simplifying
b = -30