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aleksandrvk [35]
2 years ago
9

the equation 2x-7=5+x has exactly one solution true or false ? if false , what is the counter example?

Mathematics
1 answer:
g100num [7]2 years ago
5 0
Decide whether the statement is true or false. If false, provide a counterexample. 1. The equation 2x - 7 = 5 + x has exactly one solution TRUE 2. If x^2 = 16, then x must equal 8 or -8 TRUE 3. February 14 is Valentine's Day TRUE 4. If you visisted the Statue of Liberty, then you've been to New York TRUE 5. A point may lie on at most two lines FALSE A point may lie on more than zero to an infinite number of lines. Write the converse and contropositive of each statement. 6. If you like tennis, then you play on the tennis team FALSE You don't have to. Haha. 7. If x is odd, then 2x is even TRUE 8. If m

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Thus given:
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Find the sum of three consecutive odd integers where x is the greatest integer
myrzilka [38]
X + (x − 2) + (x − 4) = ? ;  In which
<span>
x + x </span>− 2 + x − 4 ; 

Combine the "like terms" ; 

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So we have:  "3x  − 6" as the sum. ;
___________________________
The sum of three consecutive odd integers, in which "x" is the greatest integer;  is:  "3x − 6" .
_____________________________________________
Note:  The three consecutive odd integers, from least to greatest, are:

"(x − 4)" , "(x − 2)" , and "x" .

The sum is:  "(3x  − 6)<span>" .
</span>_____________________________________________
Note:  "(3x  − 6)" factors into:  " 3(x −2)" .

Note that:  " (x − 2) " is the second integer.
______________________________________________
So the sum total, which is:  "(3x  −  6)" ;  is 3 (three) times the value of the second integer; that is, "3 (x − 2)" .
______________________________________________
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