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telo118 [61]
3 years ago
5

5 less than a number is equivalent to 1 more than three times the number

Mathematics
1 answer:
kifflom [539]3 years ago
6 0

Answer:

x-5=3x+1 (x=-3)

Step-by-step explanation:

5 less (_-5)

than a number (x)

is equivalent to (=)

1 more than (+1)

than three times the number (3x)

combine them all to get x-5=3x+1

extra:

add 5 to each side x=3x+6

subtract x from each side 0=2x+6

subtract 6 from each side -6=2x

divide each side by 2 -3=x

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Which of the following are operations in the algebra of sets?
postnew [5]

Answer:

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Step-by-step explanation:

We know that the algebra of sets define the properties and laws of the sets.

The basic operations of sets are,

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Since, the operations addition, subtraction, multiplication and division are the basic arithmetic operations of numbers.

i.e. they are not in the algebra of sets.

So, we get that out of the given options, the operations in algebra of sets are Union and Intersection.

7 0
3 years ago
X + 5y = 28<br> - x - 2y = -13
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Answer:

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Step-by-step explanation:

x+5y=28 (i)

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x+5y=28

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put the value of y in equation 1

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Step-by-step explanation:

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