What is the answer to 7y+23=4y+8y-22 ?

The answer to 7y+23=4y+8y-22 is y=9

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7y+23=4y+8y-22

7 y + 23 = 4 y + 8 y - 22

y = 9

Solution steps

7 y + 23 = 4 y + 8 y - 22

Add similar elements:

4 y + 8 y = 12 y

7 y + 23 = 12 y - 22

Move

23

to the right side

7 y = 12 y - 45

Move

12 y

to the left side

- 5 y = - 45

Divide both sides by

- 5

y = 9

8 x - 7 = 19 x + 15

3 \cdot (4 x - 3) = 5 \cdot (5 - x)

a^{2} - 12 a + 32 = 0

21 x^{2} - 58 x + 21

x^{2} + 57 x + 602