-3(1+7b)+4(-8+7b)=-35

Solution for -3(1+7b)+4(-8+7b)=-35 equation:

Simplifying
-3(1 + 7b) + 4(-8 + 7b) = -35
(1 * -3 + 7b * -3) + 4(-8 + 7b) = -35
(-3 + -21b) + 4(-8 + 7b) = -35
-3 + -21b + (-8 * 4 + 7b * 4) = -35
-3 + -21b + (-32 + 28b) = -35

Reorder the terms:
-3 + -32 + -21b + 28b = -35

Combine like terms: -3 + -32 = -35
-35 + -21b + 28b = -35

Combine like terms: -21b + 28b = 7b
-35 + 7b = -35

Add '35' to each side of the equation.
-35 + 35 + 7b = -35 + 35

Combine like terms: -35 + 35 = 0
0 + 7b = -35 + 35
7b = -35 + 35

Combine like terms: -35 + 35 = 0
7b = 0

Solving
7b = 0

Solving for variable 'b'.

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

Divide each side by '7'.
b = 0

Simplifying
b = 0