18z-18=3z+72

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Solution for 18z-18=3z+72 equation:


Simplifying
18z + -18 = 3z + 72

Reorder the terms:
-18 + 18z = 3z + 72

Reorder the terms:
-18 + 18z = 72 + 3z

Solving
-18 + 18z = 72 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-18 + 18z + -3z = 72 + 3z + -3z

Combine like terms: 18z + -3z = 15z
-18 + 15z = 72 + 3z + -3z

Combine like terms: 3z + -3z = 0
-18 + 15z = 72 + 0
-18 + 15z = 72

Add '18' to each side of the equation.
-18 + 18 + 15z = 72 + 18

Combine like terms: -18 + 18 = 0
0 + 15z = 72 + 18
15z = 72 + 18

Combine like terms: 72 + 18 = 90
15z = 90

Divide each side by '15'.
z = 6

Simplifying
z = 6

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