kkstill kkstill

08-11-2019
Mathematics

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Solve the equation using mental math.

7 + r = 15

Respuesta :

Аноним Аноним

08-11-2019

Answer:

r = 8

Step-by-step explanation:

7 + 8 = 15

so r = 8!

Answer Link

BasketballEinstein BasketballEinstein

27-11-2019

Answer:

[tex]\displaystyle 8 = r[/tex]

Step-by-step explanation:

7 + r = 15

- 7 - 7

________

[tex]\displaystyle r = 8[/tex]

I am joyous to assist you anytime.

Answer Link

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