2z+21=-2-5z

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


Simplifying
2z + 21 = -2 + -5z

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

Solving
21 + 2z = -2 + -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.
21 + 2z + 5z = -2 + -5z + 5z

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

Combine like terms: -5z + 5z = 0
21 + 7z = -2 + 0
21 + 7z = -2

Add '-21' to each side of the equation.
21 + -21 + 7z = -2 + -21

Combine like terms: 21 + -21 = 0
0 + 7z = -2 + -21
7z = -2 + -21

Combine like terms: -2 + -21 = -23
7z = -23

Divide each side by '7'.
z = -3.285714286

Simplifying
z = -3.285714286

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