-2z-1=z+2

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


Simplifying
-2z + -1 = z + 2

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

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

Solving
-1 + -2z = 2 + 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.
-1 + -2z + -1z = 2 + z + -1z

Combine like terms: -2z + -1z = -3z
-1 + -3z = 2 + z + -1z

Combine like terms: z + -1z = 0
-1 + -3z = 2 + 0
-1 + -3z = 2

Add '1' to each side of the equation.
-1 + 1 + -3z = 2 + 1

Combine like terms: -1 + 1 = 0
0 + -3z = 2 + 1
-3z = 2 + 1

Combine like terms: 2 + 1 = 3
-3z = 3

Divide each side by '-3'.
z = -1

Simplifying
z = -1

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