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Ostrovityanka [42]
3 years ago
9

The sum of 6 consecutive integers is 393 what is the third number in the sequence

Mathematics
1 answer:
alex41 [277]3 years ago
5 0
The answer is 

<span>x+1</span>, <span>x+2</span>, <span>x+3</span>, <span>x+4</span> and <span>x+5</span>.

The sum of these six integers is 393 so we can write:

<span>x+x+1+x+2+x+3+x+4+x+5=393</span>

<span>6x+1+2+3+4+5=393</span>

<span>6x+15=393</span>

<span>6x+15−15=393−15</span>

<span>6x+0=378</span>

<span><span><span>6x</span>6</span>=<span>3786</span></span>

<span>x=63</span>

Because the first integer is 63 then the third would be <span>x+2</span> or <span>63+2=<span>65</span></span>

<span><span>
</span></span>

<span><span>Hope its helps :)</span></span>

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