2(z+2)=8

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Solution for 2(z+2)=8 equation: 


Simplifying
2(z + 2) = 8

Reorder the terms:
2(2 + z) = 8
(2 * 2 + z * 2) = 8
(4 + 2z) = 8

Solving
4 + 2z = 8

Solving for variable 'z'.

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

Add '-4' to each side of the equation.
4 + -4 + 2z = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 2z = 8 + -4
2z = 8 + -4

Combine like terms: 8 + -4 = 4
2z = 4

Divide each side by '2'.
z = 2

Simplifying
z = 2

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