What is the answer to 5-3z+3(3-5z)=12 ?

The answer to 5-3z+3(3-5z)=12 is z= 1/9

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5-3z+3(3-5z)=12

5 - 3 z + 3 (3 - 5 z) = 12

z = \frac{1}{9}

Solution steps

5 - 3 z + 3 (3 - 5 z) = 12

Move

5

to the right side

- 3 z + 3 (3 - 5 z) = 7

Expand

- 3 z + 3 (3 - 5 z) : - 18 z + 9

- 18 z + 9 = 7

Move

9

to the right side

- 18 z = - 2

Divide both sides by

- 18

z = \frac{1}{9}

\frac{k ^{2} - k - 2}{k ^{2} - 4 k - 5}

(x - 4) (x - 5) = 0

\frac{x + 1}{2 - x} \leq \frac{x}{x + 3}

\frac{x - 2}{2 x - 1} < 3

10 x^{2} - 2 x = 0