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Oksanka [162]
3 years ago
15

How do I use the subtraction theorem to write equivalent expressions?

Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0
The subtraction theorem states that for all real numbers, a and b, a-b=a+(-b).
(To subtract, we can add the inverse.)
Thus, we can have the these two equivalent expressions.

3 - 2 = 3 + (-2) = 1\\ \\ 5 - (-2) = 5 + 2 = 7


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