-3(2b+4)+(7b-1)=0

Solution for -3(2b+4)+(7b-1)=0 equation:

Simplifying
-3(2b + 4) + (7b + -1) = 0

Reorder the terms:
-3(4 + 2b) + (7b + -1) = 0
(4 * -3 + 2b * -3) + (7b + -1) = 0
(-12 + -6b) + (7b + -1) = 0

Reorder the terms:
-12 + -6b + (-1 + 7b) = 0

Remove parenthesis around (-1 + 7b)
-12 + -6b + -1 + 7b = 0

Reorder the terms:
-12 + -1 + -6b + 7b = 0

Combine like terms: -12 + -1 = -13
-13 + -6b + 7b = 0

Combine like terms: -6b + 7b = 1b
-13 + 1b = 0

Solving
-13 + 1b = 0

Solving for variable 'b'.

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

Add '13' to each side of the equation.
-13 + 13 + 1b = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 1b = 0 + 13
1b = 0 + 13

Combine like terms: 0 + 13 = 13
1b = 13

Divide each side by '1'.
b = 13

Simplifying
b = 13