2z+2z=2z+4

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


Simplifying
2z + 2z = 2z + 4

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

Reorder the terms:
4z = 4 + 2z

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

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

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

Divide each side by '2'.
z = 2

Simplifying
z = 2

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