2z+18-9=5z

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


Simplifying
2z + 18 + -9 = 5z

Reorder the terms:
18 + -9 + 2z = 5z

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

Solving
9 + 2z = 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
9 + 2z + -5z = 5z + -5z

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

Combine like terms: 5z + -5z = 0
9 + -3z = 0

Add '-9' to each side of the equation.
9 + -9 + -3z = 0 + -9

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

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

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

Simplifying
z = 3

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