2z+6=-15

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Solution for 2z+6=-15 equation: 


Simplifying
2z + 6 = -15

Reorder the terms:
6 + 2z = -15

Solving
6 + 2z = -15

Solving for variable 'z'.

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

Add '-6' to each side of the equation.
6 + -6 + 2z = -15 + -6

Combine like terms: 6 + -6 = 0
0 + 2z = -15 + -6
2z = -15 + -6

Combine like terms: -15 + -6 = -21
2z = -21

Divide each side by '2'.
z = -10.5

Simplifying
z = -10.5

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