3(9z+7)=

Solution for 3(9z+7)= equation:

Simplifying
3(9z + 7) = 0

Reorder the terms:
3(7 + 9z) = 0
(7 * 3 + 9z * 3) = 0
(21 + 27z) = 0

Solving
21 + 27z = 0

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + 27z = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 27z = 0 + -21
27z = 0 + -21

Combine like terms: 0 + -21 = -21
27z = -21

Divide each side by '27'.
z = -0.7777777778

Simplifying
z = -0.7777777778