What is the answer to 5y+9=17y-4y+81 ?

The answer to 5y+9=17y-4y+81 is y=-9

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5y+9=17y-4y+81

5 y + 9 = 17 y - 4 y + 81

y = - 9

Solution steps

5 y + 9 = 17 y - 4 y + 81

Add similar elements:

17 y - 4 y = 13 y

5 y + 9 = 13 y + 81

Move

9

to the right side

5 y = 13 y + 72

Move

13 y

to the left side

- 8 y = 72

Divide both sides by

- 8

y = - 9

2 - \frac{- x + 4}{6} = \frac{1}{2}

9^{4}

(x - 3) (x - 7) = 0

12 \cdot 4

4 x^{2} - 7 x + 2 = 0