-37=-(z+-42)

Solution for -37=-(z+-42) equation:

Simplifying
-37 = -1(z + -42)

Reorder the terms:
-37 = -1(-42 + z)
-37 = (-42 * -1 + z * -1)
-37 = (42 + -1z)

Solving
-37 = 42 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
-37 + z = 42 + -1z + z

Combine like terms: -1z + z = 0
-37 + z = 42 + 0
-37 + z = 42

Add '37' to each side of the equation.
-37 + 37 + z = 42 + 37

Combine like terms: -37 + 37 = 0
0 + z = 42 + 37
z = 42 + 37

Combine like terms: 42 + 37 = 79
z = 79

Simplifying
z = 79