9z+12=6z-30

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Solution for 9z+12=6z-30 equation:


Simplifying
9z + 12 = 6z + -30

Reorder the terms:
12 + 9z = 6z + -30

Reorder the terms:
12 + 9z = -30 + 6z

Solving
12 + 9z = -30 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
12 + 9z + -6z = -30 + 6z + -6z

Combine like terms: 9z + -6z = 3z
12 + 3z = -30 + 6z + -6z

Combine like terms: 6z + -6z = 0
12 + 3z = -30 + 0
12 + 3z = -30

Add '-12' to each side of the equation.
12 + -12 + 3z = -30 + -12

Combine like terms: 12 + -12 = 0
0 + 3z = -30 + -12
3z = -30 + -12

Combine like terms: -30 + -12 = -42
3z = -42

Divide each side by '3'.
z = -14

Simplifying
z = -14

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