2z-84=z-28

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Solution for 2z-84=z-28 equation:


Simplifying
2z + -84 = z + -28

Reorder the terms:
-84 + 2z = z + -28

Reorder the terms:
-84 + 2z = -28 + z

Solving
-84 + 2z = -28 + 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.
-84 + 2z + -1z = -28 + z + -1z

Combine like terms: 2z + -1z = 1z
-84 + 1z = -28 + z + -1z

Combine like terms: z + -1z = 0
-84 + 1z = -28 + 0
-84 + 1z = -28

Add '84' to each side of the equation.
-84 + 84 + 1z = -28 + 84

Combine like terms: -84 + 84 = 0
0 + 1z = -28 + 84
1z = -28 + 84

Combine like terms: -28 + 84 = 56
1z = 56

Divide each side by '1'.
z = 56

Simplifying
z = 56

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