4 years ago

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

Mathematics

1 answer:

igomit [66]4 years ago

4 0

Answer: The number is 1.

Step-by-step explanation:

Let the number be x

5-x = 1+3x

or, 5 = 1+3x+x

or, 5 = 1+4x

or, 5-1 = 4x

or, 4x = 4

or, x = 4/4

so, x = 1

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What is the solution of the inequality 7(x + 4) < 2(x–5) + 3(x + 9)?

emmasim [6.3K]

Answer:

x< -8.125

Step-by-step explanation:

7(x+4) < 2(x-5) -3(x+9)

distribute 7, 2, -3 to the parentheses to the right

7x+28<2x-10-3x-27

add like terms

7x+28<x-37

add x to 7x and subtract -28 to -37

8x<-65

divide both sides by 8

x<-8.125 or (-65/8)

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4 years ago

Select all that are like terms to 5a^5b^4.

tankabanditka [31]

Answer:

a^5b^4

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Step-by-step explanation:

Like terms will all have the same bases and exponents.

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9a^5b^4

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3 years ago

Based on the slipes of the equation, how many solutions does this system have Y=3x-4 y=-2x+7

Dmitrij [34]

Answer:

The slopes are m=3 and m=-2

There is only one solution

Step-by-step explanation:

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4 years ago

Mathematics and body temperature? Please answer the questions in 3.

Semenov [28]

Answer:

keep the model answer photo

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3 years ago

PT = 3x+4 and TQ =5x-6

allochka39001 [22]

Answer:

So if PT=TQ and TQ=7x-9

PT=5x+3=TQ=7x-9

5x+3=7x-9

minus 5x both sides

3=2x-9

add 9 both sides

12=2x

divide 2

6=x

PT=5x+3

PT=5(6)+3

PT=30+3

PT=33

PT=QT=33

x=6

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3.0

6 votes

3 0

4 years ago