-2z=-4z+20

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Solution for -2z=-4z+20 equation: 


Simplifying
-2z = -4z + 20

Reorder the terms:
-2z = 20 + -4z

Solving
-2z = 20 + -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.
-2z + 4z = 20 + -4z + 4z

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

Combine like terms: -4z + 4z = 0
2z = 20 + 0
2z = 20

Divide each side by '2'.
z = 10

Simplifying
z = 10

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