7z-4-2z=6

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Solution for 7z-4-2z=6 equation: 


Simplifying
7z + -4 + -2z = 6

Reorder the terms:
-4 + 7z + -2z = 6

Combine like terms: 7z + -2z = 5z
-4 + 5z = 6

Solving
-4 + 5z = 6

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 + 5z = 6 + 4

Combine like terms: -4 + 4 = 0
0 + 5z = 6 + 4
5z = 6 + 4

Combine like terms: 6 + 4 = 10
5z = 10

Divide each side by '5'.
z = 2

Simplifying
z = 2

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