Respuesta :

Answer:

15

Step-by-step explanation:

5y - 20 = 2y + 25 (opposite sides of a parallelogram are equal)

5y - 2y = 25 + 20

3y = 45

y = 45/3

y = 15

hope you understood❤

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[tex]5y - 20 = 2y + 25[/tex]

Subtract sides 2y

[tex] - 2y + 5y - 20 = - 2y + 2y + 25 \\ [/tex]

[tex]3y - 20 = 25[/tex]

Add sides 20

[tex]3y - 20 + 20 = 25 + 20[/tex]

[tex]3y = 45[/tex]

Divided sides by 3

[tex] \frac{3}{3} y = \frac{45}{3} \\ [/tex]

[tex]y = 15[/tex]

Done....

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