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BartSMP [9]
3 years ago
9

Consider the statement: 4-3+5=-6+8+4. This is a mathematically correct sentence. Is the stenence true or false? Explain how you

know.
Mathematics
1 answer:
olganol [36]3 years ago
6 0

If 4 - 3 + 5 = -6 + 8 + 4 is a mathematically correct statement, then both sides should end up with the same number:

4 - 3 + 5 = -6 + 8 + 4     <em>Original statement.</em>

1 + 5 = -6 + 8 + 4     <em>You can do this in any order, but I start by doing the 4 - 3.</em>

6 = -6 + 8 + 4     <em>Finish simplifying the left side.</em>

6 = 2 + 4     <em>Combine the -6 and 8.</em>

6 = 6     <em>Finish simplifying the right side.</em>

Because both sides are equal to each other, the sentence must be true.

Therefore, the sentence is true because when simplified, the statement is 6 = 6.

<em>Hope this helps! :)</em>

<u><em>EDIT: Just incase anyone is curious, both this way and the way the other guy used both work, as they both prove that both sides are equal.</em></u>

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