2(z-3)=12

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Solution for 2(z-3)=12 equation: 


Simplifying
2(z + -3) = 12

Reorder the terms:
2(-3 + z) = 12
(-3 * 2 + z * 2) = 12
(-6 + 2z) = 12

Solving
-6 + 2z = 12

Solving for variable 'z'.

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

Add '6' to each side of the equation.
-6 + 6 + 2z = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 2z = 12 + 6
2z = 12 + 6

Combine like terms: 12 + 6 = 18
2z = 18

Divide each side by '2'.
z = 9

Simplifying
z = 9

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