Which way shows how to make a ten to solve 13-7

1 answer:

8 0

If you want to make 10, you can take 3 from the 13 and add it to the 7. You will then have 10+10 which equals 20.

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sleet_krkn [62]

Answer:

b =-2

Step-by-step explanation:

-3b+7=13

Subtract 7 from each side

-3b+7-7=13-7

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Divide each side by -3

-3b/-3 = 6/-3

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