What is the answer to 9=-21-10/11 z ?

The answer to 9=-21-10/11 z is z=-33

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9=-21-10/11 z

9 = - 21 - \frac{10}{11} z

z = - 33

Solution steps

9 = - 21 - \frac{10}{11} z

Switch sides

- 21 - \frac{10}{11} z = 9

Move

21

to the right side

- \frac{10}{11} z = 30

Multiply both sides by

11

- 10 z = 330

Divide both sides by

- 10

z = - 33

4 y - 3 = 2 (2 y - 2) - 3

2 x + 3 (x + 1) = 5 - 2 (2 x - 5)

y = - 2 (1) - 5

x, (x + 7) (x - 4) = x^{2} + gx - 28

- 56 = 7 (3 + x)