11z-3-7z=9

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Solution for 11z-3-7z=9 equation: 


Simplifying
11z + -3 + -7z = 9

Reorder the terms:
-3 + 11z + -7z = 9

Combine like terms: 11z + -7z = 4z
-3 + 4z = 9

Solving
-3 + 4z = 9

Solving for variable 'z'.

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

Add '3' to each side of the equation.
-3 + 3 + 4z = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 4z = 9 + 3
4z = 9 + 3

Combine like terms: 9 + 3 = 12
4z = 12

Divide each side by '4'.
z = 3

Simplifying
z = 3

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