7z-4=2+8

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Solution for 7z-4=2+8 equation: 


Simplifying
7z + -4 = 2 + 8

Reorder the terms:
-4 + 7z = 2 + 8

Combine like terms: 2 + 8 = 10
-4 + 7z = 10

Solving
-4 + 7z = 10

Solving for variable 'z'.

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

Add '4' to each side of the equation.
-4 + 4 + 7z = 10 + 4

Combine like terms: -4 + 4 = 0
0 + 7z = 10 + 4
7z = 10 + 4

Combine like terms: 10 + 4 = 14
7z = 14

Divide each side by '7'.
z = 2

Simplifying
z = 2

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