20+2z=z-1

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Solution for 20+2z=z-1 equation:


Simplifying
20 + 2z = z + -1

Reorder the terms:
20 + 2z = -1 + z

Solving
20 + 2z = -1 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
20 + 2z + -1z = -1 + z + -1z

Combine like terms: 2z + -1z = 1z
20 + 1z = -1 + z + -1z

Combine like terms: z + -1z = 0
20 + 1z = -1 + 0
20 + 1z = -1

Add '-20' to each side of the equation.
20 + -20 + 1z = -1 + -20

Combine like terms: 20 + -20 = 0
0 + 1z = -1 + -20
1z = -1 + -20

Combine like terms: -1 + -20 = -21
1z = -21

Divide each side by '1'.
z = -21

Simplifying
z = -21

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