-13=-6+z

Solution for -13=-6+z equation:

Simplifying
-13 = -6 + z

Solving
-13 = -6 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-13 + -1z = -6 + z + -1z

Combine like terms: z + -1z = 0
-13 + -1z = -6 + 0
-13 + -1z = -6

Add '13' to each side of the equation.
-13 + 13 + -1z = -6 + 13

Combine like terms: -13 + 13 = 0
0 + -1z = -6 + 13
-1z = -6 + 13

Combine like terms: -6 + 13 = 7
-1z = 7

Divide each side by '-1'.
z = -7

Simplifying
z = -7