9(3z-1)=21+21

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Solution for 9(3z-1)=21+21 equation:


Simplifying
9(3z + -1) = 21 + 21

Reorder the terms:
9(-1 + 3z) = 21 + 21
(-1 * 9 + 3z * 9) = 21 + 21
(-9 + 27z) = 21 + 21

Combine like terms: 21 + 21 = 42
-9 + 27z = 42

Solving
-9 + 27z = 42

Solving for variable 'z'.

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

Add '9' to each side of the equation.
-9 + 9 + 27z = 42 + 9

Combine like terms: -9 + 9 = 0
0 + 27z = 42 + 9
27z = 42 + 9

Combine like terms: 42 + 9 = 51
27z = 51

Divide each side by '27'.
z = 1.888888889

Simplifying
z = 1.888888889

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