7z-4=7

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Solution for 7z-4=7 equation: 


Simplifying
7z + -4 = 7

Reorder the terms:
-4 + 7z = 7

Solving
-4 + 7z = 7

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 = 7 + 4

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

Combine like terms: 7 + 4 = 11
7z = 11

Divide each side by '7'.
z = 1.571428571

Simplifying
z = 1.571428571

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