4z-7=9

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Solution for 4z-7=9 equation: 


Simplifying
4z + -7 = 9

Reorder the terms:
-7 + 4z = 9

Solving
-7 + 4z = 9

Solving for variable 'z'.

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

Add '7' to each side of the equation.
-7 + 7 + 4z = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 4z = 9 + 7
4z = 9 + 7

Combine like terms: 9 + 7 = 16
4z = 16

Divide each side by '4'.
z = 4

Simplifying
z = 4

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