8b+6(2b-7)=-142

Solution for 8b+6(2b-7)=-142 equation:

Simplifying
8b + 6(2b + -7) = -142

Reorder the terms:
8b + 6(-7 + 2b) = -142
8b + (-7 * 6 + 2b * 6) = -142
8b + (-42 + 12b) = -142

Reorder the terms:
-42 + 8b + 12b = -142

Combine like terms: 8b + 12b = 20b
-42 + 20b = -142

Solving
-42 + 20b = -142

Solving for variable 'b'.

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

Add '42' to each side of the equation.
-42 + 42 + 20b = -142 + 42

Combine like terms: -42 + 42 = 0
0 + 20b = -142 + 42
20b = -142 + 42

Combine like terms: -142 + 42 = -100
20b = -100

Divide each side by '20'.
b = -5

Simplifying
b = -5