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Kobotan [32]
3 years ago
9

Solve the equation. -3(x-4)+15=3x-14+2x

Mathematics
2 answers:
IrinaVladis [17]3 years ago
7 0

-3(x - 4) + 15 = 3x - 14 + 2x  

Multiply the -3 into (x - 4)

-3x + 12 + 15 = 3x - 14 + 2x  

Combine like terms

-3x + 27 = 5x - 14  

Add 3x on both sides

-3x + 27 + 3x = 5x - 14 + 3x

27 = 8x - 14  

Add 14 on both sides

27 + 14 = 8x - 14 + 14

41 = 8x

Divide 8 on both sides


x = \frac{41}{8}


ira [324]3 years ago
6 0

when you solve this equation you will get. x=41/8

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Answer:

Porter is n-m inches taller than Henry.

Porter is \frac{n}{m} times taller than henry.

Step-by-step explanation:

The difference in height can be found using subtraction.

Since Porter is taller than Henry, we'll subtract away Henry's height from Porter's height. This will leave us with only the difference between the heights.

n = Porter's height

m = Henry's height

Difference in height is thus:

n-m

Answer: Porter is n-m inches taller than Henry.

To find out how many times taller Porter is than Henry, we can use division.

An example: if Porter was 200cm, and Henry was 100cm, Porter is obviously 2 times as tall.

If we divide Porter's height by Henry's height...

\frac{200}{100}=2

..we'll get 2. This is because Henry's height "fits in twice" in Porter's height. 100 fits twice in 200.

Using our values, n and m, we'll divide n by m.

\frac{n}{m}

Answer: Porter is \frac{n}{m} times taller than henry.

3 0
3 years ago
Joan has 294 black marbles. Joan has 42 times more black marbles than Dan. How many black marbles does Joan has?
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Joan has 294 marbles
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A group of students and workers entering a metro station were asked whether they were riding the bus or the subway. the two-way
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The addition of the row and column shows that the number of people polled will be 166.

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From the information given, the guest thing to do is to add the column. This will be:

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Also, it's important to add the row. This will be:

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2 years ago
A continuous random variable may assume :
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Answer:

Option A) any numerical value in an interval or collection of intervals

Step-by-step explanation:

Continuous Random Variable:

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Option A) any numerical value in an interval or collection of intervals

6 0
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What is 5c-4c+c-3c and 3a+6+5a-2 and 8b+8-4b-3?
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Answer: -c

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