4z-12-z+3=0

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Solution for 4z-12-z+3=0 equation:


Simplifying
4z + -12 + -1z + 3 = 0

Reorder the terms:
-12 + 3 + 4z + -1z = 0

Combine like terms: -12 + 3 = -9
-9 + 4z + -1z = 0

Combine like terms: 4z + -1z = 3z
-9 + 3z = 0

Solving
-9 + 3z = 0

Solving for variable 'z'.

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

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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