1-2(1z+2)=39

Solution for 1-2(1z+2)=39 equation:

Simplifying
1 + -2(1z + 2) = 39

Reorder the terms:
1 + -2(2 + 1z) = 39
1 + (2 * -2 + 1z * -2) = 39
1 + (-4 + -2z) = 39

Combine like terms: 1 + -4 = -3
-3 + -2z = 39

Solving
-3 + -2z = 39

Solving for variable 'z'.

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

Add '3' to each side of the equation.
-3 + 3 + -2z = 39 + 3

Combine like terms: -3 + 3 = 0
0 + -2z = 39 + 3
-2z = 39 + 3

Combine like terms: 39 + 3 = 42
-2z = 42

Divide each side by '-2'.
z = -21

Simplifying
z = -21