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dolphi86 [110]
4 years ago
7

2. Are the expressions -5 + -2 and -5 – 2 equivalent? Why or why not? Explain and show your work.

Mathematics
1 answer:
scoray [572]4 years ago
8 0

Answer:

Yes, the expressions are equivalent.

Step-by-step explanation:

Notice that -2  is defined as in additive inverse of 2, that is, 2 + -2 = 0.

and substracting 2 from 2 is also equal to zero, that is, 2 - 2 = 0.

Thus 2-2 = 2+ -2, implying -2 = + -2. Consequently, -5 + -2 = -5 -2

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