3=-3z-9

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Solution for 3=-3z-9 equation:


Simplifying
3 = -3z + -9

Reorder the terms:
3 = -9 + -3z

Solving
3 = -9 + -3z

Solving for variable 'z'.

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

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

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

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

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

Combine like terms: -9 + -3 = -12
3z = -12

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

Simplifying
z = -4

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