6z-12+3=3z-15

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


Simplifying
6z + -12 + 3 = 3z + -15

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

Combine like terms: -12 + 3 = -9
-9 + 6z = 3z + -15

Reorder the terms:
-9 + 6z = -15 + 3z

Solving
-9 + 6z = -15 + 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.
-9 + 6z + -3z = -15 + 3z + -3z

Combine like terms: 6z + -3z = 3z
-9 + 3z = -15 + 3z + -3z

Combine like terms: 3z + -3z = 0
-9 + 3z = -15 + 0
-9 + 3z = -15

Add '9' to each side of the equation.
-9 + 9 + 3z = -15 + 9

Combine like terms: -9 + 9 = 0
0 + 3z = -15 + 9
3z = -15 + 9

Combine like terms: -15 + 9 = -6
3z = -6

Divide each side by '3'.
z = -2

Simplifying
z = -2

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