3(3z-1)-3(3-3z)=9

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


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

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

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

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

Combine like terms: 9z + 9z = 18z
-12 + 18z = 9

Solving
-12 + 18z = 9

Solving for variable 'z'.

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

Add '12' to each side of the equation.
-12 + 12 + 18z = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 18z = 9 + 12
18z = 9 + 12

Combine like terms: 9 + 12 = 21
18z = 21

Divide each side by '18'.
z = 1.166666667

Simplifying
z = 1.166666667

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