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skelet666 [1.2K]
3 years ago
8

Evaluate the expression 4-(-7)

Mathematics
1 answer:
bonufazy [111]3 years ago
3 0
Multiply <span><span>−1</span><span>-1</span></span> by <span><span>−7</span><span>-7</span></span> to get <span>77</span>.<span><span><span>−4</span>+7</span><span><span>-4</span>+7</span></span>Add <span><span>−4</span><span>-4</span></span> and <span>77</span> to get <span>33</span>.Answer =3
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