-3z-18=-z+12

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Solution for -3z-18=-z+12 equation:


Simplifying
-3z + -18 = -1z + 12

Reorder the terms:
-18 + -3z = -1z + 12

Reorder the terms:
-18 + -3z = 12 + -1z

Solving
-18 + -3z = 12 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
-18 + -3z + z = 12 + -1z + z

Combine like terms: -3z + z = -2z
-18 + -2z = 12 + -1z + z

Combine like terms: -1z + z = 0
-18 + -2z = 12 + 0
-18 + -2z = 12

Add '18' to each side of the equation.
-18 + 18 + -2z = 12 + 18

Combine like terms: -18 + 18 = 0
0 + -2z = 12 + 18
-2z = 12 + 18

Combine like terms: 12 + 18 = 30
-2z = 30

Divide each side by '-2'.
z = -15

Simplifying
z = -15

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