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wel
3 years ago
13

3x+9=5 what is the answer to x

Mathematics
2 answers:
Klio2033 [76]3 years ago
5 0

Answer:

x=-4/3

Step-by-step explanation:

3x+9=5

3x=5-9

3x=-4

x=-4/3

amid [387]3 years ago
3 0

Answer:

-4/3

Step-by-step explanation:

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There are 162 magazines and books in a library. There are 54 more books
Strike441 [17]

Answer:

108 books.

Step-by-step explanation:

Let the number of magazines = m

Let the number of books = b

<u>Given the following data;</u>

Total number of m & b = 162

<em>Translating the word problem into an algebraic equation, we have;</em>

b = m + 54 ......equation 1

m + b = 162 ......equation 2

<em>Substituting equation "1" into equation "2" we have;</em>

m + m + 54 = 162

2m + 54 = 162

2m = 162 - 54

2m = 108

m = \frac {108}{2}

m = 54

Now to find the number of books;

b = m + 54

Substituting the value of "m" into the equation, we have;

b = 54 + 54

<em>b = 108</em>

<em>Therefore, the total number of books in the library is 108 books. </em>

7 0
3 years ago
5x - x + 12 +2x - 7 = 10
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Combine like terms. Like terms are completely the same excluding coefficients.
6x+5=10

Subtract 5 from both sides
6x=5

Divide bith sides by 6
x=5/6

Final answer: B
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Step-by-step explanation:

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