4z-4=2z

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Solution for 4z-4=2z equation:


Simplifying
4z + -4 = 2z

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

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

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

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

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

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

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

Divide each side by '2'.
z = 2

Simplifying
z = 2

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