-6z-42=12+9z

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Solution for -6z-42=12+9z equation:


Simplifying
-6z + -42 = 12 + 9z

Reorder the terms:
-42 + -6z = 12 + 9z

Solving
-42 + -6z = 12 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
-42 + -6z + -9z = 12 + 9z + -9z

Combine like terms: -6z + -9z = -15z
-42 + -15z = 12 + 9z + -9z

Combine like terms: 9z + -9z = 0
-42 + -15z = 12 + 0
-42 + -15z = 12

Add '42' to each side of the equation.
-42 + 42 + -15z = 12 + 42

Combine like terms: -42 + 42 = 0
0 + -15z = 12 + 42
-15z = 12 + 42

Combine like terms: 12 + 42 = 54
-15z = 54

Divide each side by '-15'.
z = -3.6

Simplifying
z = -3.6

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