8z+4-4z=20-4z

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Solution for 8z+4-4z=20-4z equation:


Simplifying
8z + 4 + -4z = 20 + -4z

Reorder the terms:
4 + 8z + -4z = 20 + -4z

Combine like terms: 8z + -4z = 4z
4 + 4z = 20 + -4z

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

Combine like terms: 4z + 4z = 8z
4 + 8z = 20 + -4z + 4z

Combine like terms: -4z + 4z = 0
4 + 8z = 20 + 0
4 + 8z = 20

Add '-4' to each side of the equation.
4 + -4 + 8z = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 8z = 20 + -4
8z = 20 + -4

Combine like terms: 20 + -4 = 16
8z = 16

Divide each side by '8'.
z = 2

Simplifying
z = 2

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