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Inga [223]
4 years ago
14

Find the value of x. *

Mathematics
1 answer:
Ludmilka [50]4 years ago
6 0

Answer:

13x + 7 + 4x + 15 = 90

17x + 22 = 90

17x = 68

x = 4

4(4) + 15= 16 + 15= 31

13(4) + 7 = 52 + 7 = 59

Step-by-step explanation:

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Three-fifths of a number decreased by one is twenty-three.what is the number?
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Let n represent the number. 
<span>.. (3/5)n - 1 = 23 ... three-fifths of a number decreased by one is twenty-three. </span>
<span>Please note that the same English description might be interpreted as </span>
<span>.. (3/5)(n-1) = 23. </span>
<span>We'll use the first interpretation, as it results in the number being an integer. </span>

<span>.. (3/5)n = 24 ... add 1 </span>
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<span>.. n = 40 ... carry out the multiplication </span>

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If you use this, please give me brainliest

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