Z+9=2Z

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Solution for Z+9=2Z equation:


Simplifying
Z + 9 = 2Z

Reorder the terms:
9 + Z = 2Z

Solving
9 + Z = 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.
9 + Z + -2Z = 2Z + -2Z

Combine like terms: Z + -2Z = -1Z
9 + -1Z = 2Z + -2Z

Combine like terms: 2Z + -2Z = 0
9 + -1Z = 0

Add '-9' to each side of the equation.
9 + -9 + -1Z = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1Z = 0 + -9
-1Z = 0 + -9

Combine like terms: 0 + -9 = -9
-1Z = -9

Divide each side by '-1'.
Z = 9

Simplifying
Z = 9

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