4(5b)+2(6b-1)=-34

Solution for 4(5b)+2(6b-1)=-34 equation:

Simplifying
4(5b) + 2(6b + -1) = -34

Remove parenthesis around (5b)
4 * 5b + 2(6b + -1) = -34

Multiply 4 * 5
20b + 2(6b + -1) = -34

Reorder the terms:
20b + 2(-1 + 6b) = -34
20b + (-1 * 2 + 6b * 2) = -34
20b + (-2 + 12b) = -34

Reorder the terms:
-2 + 20b + 12b = -34

Combine like terms: 20b + 12b = 32b
-2 + 32b = -34

Solving
-2 + 32b = -34

Solving for variable 'b'.

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

Add '2' to each side of the equation.
-2 + 2 + 32b = -34 + 2

Combine like terms: -2 + 2 = 0
0 + 32b = -34 + 2
32b = -34 + 2

Combine like terms: -34 + 2 = -32
32b = -32

Divide each side by '32'.
b = -1

Simplifying
b = -1