7z-2=10

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Solution for 7z-2=10 equation: 


Simplifying
7z + -2 = 10

Reorder the terms:
-2 + 7z = 10

Solving
-2 + 7z = 10

Solving for variable 'z'.

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

Add '2' to each side of the equation.
-2 + 2 + 7z = 10 + 2

Combine like terms: -2 + 2 = 0
0 + 7z = 10 + 2
7z = 10 + 2

Combine like terms: 10 + 2 = 12
7z = 12

Divide each side by '7'.
z = 1.714285714

Simplifying
z = 1.714285714

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