9z-3(2z+8)=12

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Solution for 9z-3(2z+8)=12 equation:


Simplifying
9z + -3(2z + 8) = 12

Reorder the terms:
9z + -3(8 + 2z) = 12
9z + (8 * -3 + 2z * -3) = 12
9z + (-24 + -6z) = 12

Reorder the terms:
-24 + 9z + -6z = 12

Combine like terms: 9z + -6z = 3z
-24 + 3z = 12

Solving
-24 + 3z = 12

Solving for variable 'z'.

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

Add '24' to each side of the equation.
-24 + 24 + 3z = 12 + 24

Combine like terms: -24 + 24 = 0
0 + 3z = 12 + 24
3z = 12 + 24

Combine like terms: 12 + 24 = 36
3z = 36

Divide each side by '3'.
z = 12

Simplifying
z = 12

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