18-2z+5z=9

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Solution for 18-2z+5z=9 equation: 


Simplifying
18 + -2z + 5z = 9

Combine like terms: -2z + 5z = 3z
18 + 3z = 9

Solving
18 + 3z = 9

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 + 3z = 9 + -18

Combine like terms: 18 + -18 = 0
0 + 3z = 9 + -18
3z = 9 + -18

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

Divide each side by '3'.
z = -3

Simplifying
z = -3

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