Question

4.
from what number should -8 be subbracted
to get to?
21​

Answer 1

Answer:

13

Step-by-step explanation:

since 13-(-8)=21 so 13 is the answer

Answer 2

Answer:

$x - ( - 8) = 21 \\ x + 8 = 21 \\ x = 21 - 8 \\ x = 13$

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