-18=3(-z+6)+z

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Solution for -18=3(-z+6)+z equation:


Simplifying
-18 = 3(-1z + 6) + z

Reorder the terms:
-18 = 3(6 + -1z) + z
-18 = (6 * 3 + -1z * 3) + z
-18 = (18 + -3z) + z

Combine like terms: -3z + z = -2z
-18 = 18 + -2z

Solving
-18 = 18 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
-18 + 2z = 18 + -2z + 2z

Combine like terms: -2z + 2z = 0
-18 + 2z = 18 + 0
-18 + 2z = 18

Add '18' to each side of the equation.
-18 + 18 + 2z = 18 + 18

Combine like terms: -18 + 18 = 0
0 + 2z = 18 + 18
2z = 18 + 18

Combine like terms: 18 + 18 = 36
2z = 36

Divide each side by '2'.
z = 18

Simplifying
z = 18

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