2(2z-5)=18

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Solution for 2(2z-5)=18 equation: 


Simplifying
2(2z + -5) = 18

Reorder the terms:
2(-5 + 2z) = 18
(-5 * 2 + 2z * 2) = 18
(-10 + 4z) = 18

Solving
-10 + 4z = 18

Solving for variable 'z'.

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

Add '10' to each side of the equation.
-10 + 10 + 4z = 18 + 10

Combine like terms: -10 + 10 = 0
0 + 4z = 18 + 10
4z = 18 + 10

Combine like terms: 18 + 10 = 28
4z = 28

Divide each side by '4'.
z = 7

Simplifying
z = 7

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