21+18z=

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Solution for 21+18z= equation: 


Simplifying
21 + 18z = 0

Solving
21 + 18z = 0

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + 18z = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 18z = 0 + -21
18z = 0 + -21

Combine like terms: 0 + -21 = -21
18z = -21

Divide each side by '18'.
z = -1.166666667

Simplifying
z = -1.166666667

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