Respuesta :

Answer:

y=4

Step-by-step explanation:

13-9=4

13-4=y

y+9=13

4+9=13

AnkleBreaker05

I'll teach you how to solve 13-y=9

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13-y=9

Subtract 13 from both sides:

13-y-13= 9-13

Simplify:

-y= -4

Divide both sides by -1:

-y/-1= -4/-1

Simplify:

y=4

Your Answer Is y=4

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