-4(3B+2)+(13B-7)=0

Solution for -4(3B+2)+(13B-7)=0 equation:

Simplifying
-4(3B + 2) + (13B + -7) = 0

Reorder the terms:
-4(2 + 3B) + (13B + -7) = 0
(2 * -4 + 3B * -4) + (13B + -7) = 0
(-8 + -12B) + (13B + -7) = 0

Reorder the terms:
-8 + -12B + (-7 + 13B) = 0

Remove parenthesis around (-7 + 13B)
-8 + -12B + -7 + 13B = 0

Reorder the terms:
-8 + -7 + -12B + 13B = 0

Combine like terms: -8 + -7 = -15
-15 + -12B + 13B = 0

Combine like terms: -12B + 13B = 1B
-15 + 1B = 0

Solving
-15 + 1B = 0

Solving for variable 'B'.

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

Add '15' to each side of the equation.
-15 + 15 + 1B = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 1B = 0 + 15
1B = 0 + 15

Combine like terms: 0 + 15 = 15
1B = 15

Divide each side by '1'.
B = 15

Simplifying
B = 15