(7b+1)(9)=

Solution for (7b+1)(9)= equation:

Simplifying
(7b + 1)(9) = 0

Reorder the terms:
(1 + 7b)(9) = 0

Reorder the terms for easier multiplication:
9(1 + 7b) = 0
(1 * 9 + 7b * 9) = 0
(9 + 63b) = 0

Solving
9 + 63b = 0

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + 63b = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 63b = 0 + -9
63b = 0 + -9

Combine like terms: 0 + -9 = -9
63b = -9

Divide each side by '63'.
b = -0.1428571429

Simplifying
b = -0.1428571429