[2z-7]=13

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Solution for [2z-7]=13 equation: 


Simplifying
[2z + -7] = 13

Reorder the terms:
[-7 + 2z] = 13

Remove brackets around [-7 + 2z]
-7 + 2z = 13

Solving
-7 + 2z = 13

Solving for variable 'z'.

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

Add '7' to each side of the equation.
-7 + 7 + 2z = 13 + 7

Combine like terms: -7 + 7 = 0
0 + 2z = 13 + 7
2z = 13 + 7

Combine like terms: 13 + 7 = 20
2z = 20

Divide each side by '2'.
z = 10

Simplifying
z = 10

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