-4b+2(2+5b)=-(7-7b)

Solution for -4b+2(2+5b)=-(7-7b) equation:

Simplifying
-4b + 2(2 + 5b) = -1(7 + -7b)
-4b + (2 * 2 + 5b * 2) = -1(7 + -7b)
-4b + (4 + 10b) = -1(7 + -7b)

Reorder the terms:
4 + -4b + 10b = -1(7 + -7b)

Combine like terms: -4b + 10b = 6b
4 + 6b = -1(7 + -7b)
4 + 6b = (7 * -1 + -7b * -1)
4 + 6b = (-7 + 7b)

Solving
4 + 6b = -7 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
4 + 6b + -7b = -7 + 7b + -7b

Combine like terms: 6b + -7b = -1b
4 + -1b = -7 + 7b + -7b

Combine like terms: 7b + -7b = 0
4 + -1b = -7 + 0
4 + -1b = -7

Add '-4' to each side of the equation.
4 + -4 + -1b = -7 + -4

Combine like terms: 4 + -4 = 0
0 + -1b = -7 + -4
-1b = -7 + -4

Combine like terms: -7 + -4 = -11
-1b = -11

Divide each side by '-1'.
b = 11

Simplifying
b = 11