9z-(3z-18)=36

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Solution for 9z-(3z-18)=36 equation:


Simplifying
9z + -1(3z + -18) = 36

Reorder the terms:
9z + -1(-18 + 3z) = 36
9z + (-18 * -1 + 3z * -1) = 36
9z + (18 + -3z) = 36

Reorder the terms:
18 + 9z + -3z = 36

Combine like terms: 9z + -3z = 6z
18 + 6z = 36

Solving
18 + 6z = 36

Solving for variable 'z'.

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

Add '-18' to each side of the equation.
18 + -18 + 6z = 36 + -18

Combine like terms: 18 + -18 = 0
0 + 6z = 36 + -18
6z = 36 + -18

Combine like terms: 36 + -18 = 18
6z = 18

Divide each side by '6'.
z = 3

Simplifying
z = 3

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