6z-15=3z+12

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Solution for 6z-15=3z+12 equation:


Simplifying
6z + -15 = 3z + 12

Reorder the terms:
-15 + 6z = 3z + 12

Reorder the terms:
-15 + 6z = 12 + 3z

Solving
-15 + 6z = 12 + 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.
-15 + 6z + -3z = 12 + 3z + -3z

Combine like terms: 6z + -3z = 3z
-15 + 3z = 12 + 3z + -3z

Combine like terms: 3z + -3z = 0
-15 + 3z = 12 + 0
-15 + 3z = 12

Add '15' to each side of the equation.
-15 + 15 + 3z = 12 + 15

Combine like terms: -15 + 15 = 0
0 + 3z = 12 + 15
3z = 12 + 15

Combine like terms: 12 + 15 = 27
3z = 27

Divide each side by '3'.
z = 9

Simplifying
z = 9

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