18z-15z-2z+-12=8

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Solution for 18z-15z-2z+-12=8 equation:


Simplifying
18z + -15z + -2z + -12 = 8

Reorder the terms:
-12 + 18z + -15z + -2z = 8

Combine like terms: 18z + -15z = 3z
-12 + 3z + -2z = 8

Combine like terms: 3z + -2z = 1z
-12 + 1z = 8

Solving
-12 + 1z = 8

Solving for variable 'z'.

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

Add '12' to each side of the equation.
-12 + 12 + 1z = 8 + 12

Combine like terms: -12 + 12 = 0
0 + 1z = 8 + 12
1z = 8 + 12

Combine like terms: 8 + 12 = 20
1z = 20

Divide each side by '1'.
z = 20

Simplifying
z = 20

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