2z-2z+4z=20

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


Simplifying
2z + -2z + 4z = 20

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

Solving
4z = 20

Solving for variable 'z'.

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

Divide each side by '4'.
z = 5

Simplifying
z = 5

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