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3 years ago

How to solve absolute value 2|x+9|+3=7

Mathematics

1 answer:

ollegr [7]3 years ago

3 0

Answer:

x = -7, -11

Step-by-step explanation:

2|x+9|+3 = 7

subtract 3 from both sides of equation

2|x+9| = 4

divide 2 from both sides of equation

|x+9| = 2

Absolute values:

x+9 = 2 and x+9 = -2

x = -7 and x = -11

Read more about equations at:

brainly.com/question/2972832

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Complete question

Solve for y

$-3 = 7\left(y-\dfrac97\right)$

5 0

2 years ago

A train leaves at 14:56 and arrives at 16:43. It travelled at an average speed of 135 km/h. How far did it travel? Give your ans

Firlakuza [10]

Answer:

240.8

Step-by-step explanation:

→ Calculate time taken

16:43 - 14:56 = 1 hour and 47 minutes

→ Write the speed formula and make distance the subject

Speed = Distance ÷ Time ⇔ Distance = Speed × Time

→ Convert 1 hour and 47 minutes into decimal format

1.78333333 or $1\frac{47}{60}$

→ Substitute values into formula

135 × $1\frac{47}{60}$ = 240.75

8 0

3 years ago

Find the solution to the system: ( 6(x +y)-y--1 | 7(y +4)–(y + 2)=0 plssss help

siniylev [52]

Answer:

the answer to the questions are x, 4 and y=7

4 0

3 years ago

The perimeter of an equilateral triangle with side length s is 3s. Leslie is using a wooden equilateral triangle with 15-inch si

andreyandreev [35.5K]

The way to calculate the perimeter for this particular shape would be 3x15 being as there is three 15 inch sides and when we do the multiplication we get 45 so the perimeter is 45inches have a nice day and please mark brainliest

6 0

3 years ago

PLEASE I AM IN DESPERATE NEED OF HELP

klemol [59]

I think it’s the 3rd one

7 0

3 years ago

Read 2 more answers