9-z+3-2z=

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Solution for 9-z+3-2z= equation:


Simplifying
9 + -1z + 3 + -2z = 0

Reorder the terms:
9 + 3 + -1z + -2z = 0

Combine like terms: 9 + 3 = 12
12 + -1z + -2z = 0

Combine like terms: -1z + -2z = -3z
12 + -3z = 0

Solving
12 + -3z = 0

Solving for variable 'z'.

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

Add '-12' to each side of the equation.
12 + -12 + -3z = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3z = 0 + -12
-3z = 0 + -12

Combine like terms: 0 + -12 = -12
-3z = -12

Divide each side by '-3'.
z = 4

Simplifying
z = 4

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