2z=-5z-21

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Solution for 2z=-5z-21 equation: 


Simplifying
2z = -5z + -21

Reorder the terms:
2z = -21 + -5z

Solving
2z = -21 + -5z

Solving for variable 'z'.

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

Add '5z' to each side of the equation.
2z + 5z = -21 + -5z + 5z

Combine like terms: 2z + 5z = 7z
7z = -21 + -5z + 5z

Combine like terms: -5z + 5z = 0
7z = -21 + 0
7z = -21

Divide each side by '7'.
z = -3

Simplifying
z = -3

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