z+18=-15+12z

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


Simplifying
z + 18 = -15 + 12z

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

Solving
18 + z = -15 + 12z

Solving for variable 'z'.

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

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

Combine like terms: z + -12z = -11z
18 + -11z = -15 + 12z + -12z

Combine like terms: 12z + -12z = 0
18 + -11z = -15 + 0
18 + -11z = -15

Add '-18' to each side of the equation.
18 + -18 + -11z = -15 + -18

Combine like terms: 18 + -18 = 0
0 + -11z = -15 + -18
-11z = -15 + -18

Combine like terms: -15 + -18 = -33
-11z = -33

Divide each side by '-11'.
z = 3

Simplifying
z = 3

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