-20=-2z

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Solution for -20=-2z equation:


Simplifying
-20 = -2z

Solving
-20 = -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
-20 + 2z = -2z + 2z

Combine like terms: -2z + 2z = 0
-20 + 2z = 0

Add '20' to each side of the equation.
-20 + 20 + 2z = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 2z = 0 + 20
2z = 0 + 20

Combine like terms: 0 + 20 = 20
2z = 20

Divide each side by '2'.
z = 10

Simplifying
z = 10

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