18-30=6z

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Solution for 18-30=6z equation:


Simplifying
18 + -30 = 6z

Combine like terms: 18 + -30 = -12
-12 = 6z

Solving
-12 = 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 + -6z = 6z + -6z

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

Add '12' to each side of the equation.
-12 + 12 + -6z = 0 + 12

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

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

Divide each side by '-6'.
z = -2

Simplifying
z = -2

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