18=-2z

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Solution for 18=-2z equation:


Simplifying
18 = -2z

Solving
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 = -2z + 2z

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

Add '-18' to each side of the equation.
18 + -18 + 2z = 0 + -18

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

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

Divide each side by '2'.
z = -9

Simplifying
z = -9

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