20-22=z*-4

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Solution for 20-22=z*-4 equation:


Simplifying
20 + -22 = z * -4

Combine like terms: 20 + -22 = -2
-2 = z * -4

Reorder the terms for easier multiplication:
-2 = -4z

Solving
-2 = -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
-2 + 4z = -4z + 4z

Combine like terms: -4z + 4z = 0
-2 + 4z = 0

Add '2' to each side of the equation.
-2 + 2 + 4z = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 4z = 0 + 2
4z = 0 + 2

Combine like terms: 0 + 2 = 2
4z = 2

Divide each side by '4'.
z = 0.5

Simplifying
z = 0.5

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