-3+9z+2+4z=

Solution for -3+9z+2+4z= equation:

Simplifying
-3 + 9z + 2 + 4z = 0

Reorder the terms:
-3 + 2 + 9z + 4z = 0

Combine like terms: -3 + 2 = -1
-1 + 9z + 4z = 0

Combine like terms: 9z + 4z = 13z
-1 + 13z = 0

Solving
-1 + 13z = 0

Solving for variable 'z'.

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

Add '1' to each side of the equation.
-1 + 1 + 13z = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 13z = 0 + 1
13z = 0 + 1

Combine like terms: 0 + 1 = 1
13z = 1

Divide each side by '13'.
z = 0.07692307692

Simplifying
z = 0.07692307692