2z+3z+7z-1=

Solution for 2z+3z+7z-1= equation:

Simplifying
2z + 3z + 7z + -1 = 0

Reorder the terms:
-1 + 2z + 3z + 7z = 0

Combine like terms: 2z + 3z = 5z
-1 + 5z + 7z = 0

Combine like terms: 5z + 7z = 12z
-1 + 12z = 0

Solving
-1 + 12z = 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 + 12z = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 12z = 0 + 1
12z = 0 + 1

Combine like terms: 0 + 1 = 1
12z = 1

Divide each side by '12'.
z = 0.08333333333

Simplifying
z = 0.08333333333