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Tresset [83]
4 years ago
10

Two more than a certain number is 15 less than twice the number. Find the number

Mathematics
2 answers:
AlekseyPX4 years ago
8 0
(x + 2) + 15 = 2x

x+ 17 = 2x

x (-x) + 17 = 2x (-x)

17 = x

x = 17

hope this helps
Svetllana [295]4 years ago
6 0
2+x=2x-15
>> 2+15=2x-x
>> 17 = x

So the answer is <u>17</u>
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4 0
3 years ago
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Determine the interquartile range for the data.<br> 16, 19, 25, 20,<br> 22, 21, 17, 20
Roman55 [17]

Answer:

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5 0
3 years ago
find to consecutivephone number such that five times the smaller number plus 3 times the greater number make 59 hint let the num
Scorpion4ik [409]

Answer:

x = 7 is the answer for the smaller number

7 + 1 = 8 is the answer for the larger number

Step-by-step explanation:

LET x and  x+1 be the two numbers here, as your hint suggests.

5x + 3(x+1) = 59

5x + 3x+3 = 59

8x = 59-3

8x = 56

/8      /8

--------------------------

x = 56/8 ---> x = 7

x = 7 is the answer for the smaller number

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Check:

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7 0
3 years ago
Liner equations please help with answer!
svetlana [45]

Answer:

n = - \frac{4}{7}

Step-by-step explanation:

Given

\frac{2}{3} (1 + n) = - \frac{1}{2} n

Multiply both sides by 6 ( the LCM of 3 and 2 ) to clear the fractions

4(1 + n) = - 3n ← distribute left side

4 + 4n = - 3n ( add 3n to both sides )

4 + 7n = 0 ( subtract 4 from both sides )

7n = - 4 ( divide both sides by 7 )

n = - \frac{4}{7}

6 0
3 years ago
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