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3 years ago

2(4x - 7) What’s the answer

Mathematics

1 answer:

natima [27]3 years ago

3 0

Answer:

$8x - 14$

Step-by-step explanation:

1. expand by distributing terms.

$2 \times 4x + 2 \times - 7$

2. Simplify 2 × 4x to 8x.

$8x + 2 \times - 7$

3. Simplify 2 × -7 to -14.

$8x - 14$

Therefor, the answer is, 8x - 14.

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4n-3=-2n+9 What is the value of the variable 'n'?

julsineya [31]

4n - 3= -2n + 9
add 3n to both sides

4n= -2n +12
add 2n to both sides

6n= 12
divide both sides by 6

n= 2

Check:
4n-3=-2n+9
4(2)-3= -2(2)+9
8-3= -4+9
5=5

Hope this helps! :)

7 0

4 years ago

How do I answer these

Elina [12.6K]

Answer:

11 meters plus

Step-by-step explanation:

you plus it

5 0

3 years ago

the average sale of a house decreased from $317,000 in February 2008 to $160,000 in February 2013. What is the absolute change?

AURORKA [14]

The absolute change is expressed as a positive percentage here, which would be 49.53%. The relative change would be the same answer, only negative since the amount is going down.

In order to find the percentage of change, you would subtract the new total from the previous total and then divide by the previous.

$\frac{Previous - New}{Previous}$

$\frac{317,000 - 160,000}{317,000}$

$\frac{157,000}{317,000}$

49.53%

7 0

4 years ago

Read 2 more answers

PLEASE ANSWER!! <br> Solve x/3=40

dimaraw [331]

The answer for this is x=120

4 0

3 years ago

Read 2 more answers

Dr Adams measures the daily height of a Sunny Yellow sunflower, beginning when the sunfliwer is 60 days old. At 60 days, the hei

LenaWriter [7]

Answer:

Our expression is 205+2d where d is days past 60.

Step-by-step explanation:

Since the sunflower is 205 centimeters at 60 days, every day after 60 will be greater than 205. We will start with 205 in our expression.

205

Now, each day after 60 the sunflower grows 2 centimeters per day. So day 61 will be:

205+2

Day 62 will be:

205 +2+2

Notice, that for two days past 60, the sunflower has grown 2 times as much.

Our expression is 205+2d where d is days past 60.

5 0

4 years ago