7+18z-3=7z+82-2z

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Solution for 7+18z-3=7z+82-2z equation:


Simplifying
7 + 18z + -3 = 7z + 82 + -2z

Reorder the terms:
7 + -3 + 18z = 7z + 82 + -2z

Combine like terms: 7 + -3 = 4
4 + 18z = 7z + 82 + -2z

Reorder the terms:
4 + 18z = 82 + 7z + -2z

Combine like terms: 7z + -2z = 5z
4 + 18z = 82 + 5z

Solving
4 + 18z = 82 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
4 + 18z + -5z = 82 + 5z + -5z

Combine like terms: 18z + -5z = 13z
4 + 13z = 82 + 5z + -5z

Combine like terms: 5z + -5z = 0
4 + 13z = 82 + 0
4 + 13z = 82

Add '-4' to each side of the equation.
4 + -4 + 13z = 82 + -4

Combine like terms: 4 + -4 = 0
0 + 13z = 82 + -4
13z = 82 + -4

Combine like terms: 82 + -4 = 78
13z = 78

Divide each side by '13'.
z = 6

Simplifying
z = 6

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