2z+21=z+22

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Solution for 2z+21=z+22 equation:


Simplifying
2z + 21 = z + 22

Reorder the terms:
21 + 2z = z + 22

Reorder the terms:
21 + 2z = 22 + z

Solving
21 + 2z = 22 + 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.
21 + 2z + -1z = 22 + z + -1z

Combine like terms: 2z + -1z = 1z
21 + 1z = 22 + z + -1z

Combine like terms: z + -1z = 0
21 + 1z = 22 + 0
21 + 1z = 22

Add '-21' to each side of the equation.
21 + -21 + 1z = 22 + -21

Combine like terms: 21 + -21 = 0
0 + 1z = 22 + -21
1z = 22 + -21

Combine like terms: 22 + -21 = 1
1z = 1

Divide each side by '1'.
z = 1

Simplifying
z = 1

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