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Alex
3 years ago
15

3(x+4)=5(x-2) I really need help i have no idea how to do it

Mathematics
2 answers:
Oksana_A [137]3 years ago
6 0

<u>answer:</u>  x = 11

<u>work:</u>

3(x+4)=5(x-2)  | distribute 3 and 5 into the parentheses.

3x + 12 = 5x - 10  | subtract 5x and move it over to 3x, and solve.

-2x + 12 = -10  | subtract 12 and move it over to -10, and solve.

-2x = -22  | divide by -2.

x = 11  | final answer.

hope this helps! ❤ from peachimin

Alexxandr [17]3 years ago
3 0

Gotcha!

3(x+4)=5(x-2)

Distributive Property

3x+12=5x-10

Subtract 5x from 3x & 12 from -10

So far, you would have: -2x=-22

Divide both sides by -2!

Answer: x=11

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HELP!!!!!! 100 POINTS!!!!!!
Artyom0805 [142]

The equation which shows the situation are 8g + 6h = 62 and 5g + 10h = 70.

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.

Given that:-

  • Kyle and Lauren teach swimming lessons during the summer. Kyle has 8 classes with g students in each class and 6 classes with h students in each class.
  • Lauren has 5 classes with g students in each class and 10 classes with h students in each class.
  • If Kyle has a total of 62 students and Lauren has a total of 70 students,

The equation made by the given situation is:-

For kyle, there are g students attending 8 classes sp total number of students will be 8g similarly for h students there are 6 classes so the total number of h students will be 6h. The total number of students for both g and h students attending kyle's class is 62. So the equation will be given as:-

8g   +  6h  =  62

Now for Lauren, there are g students attending 5 classes so the total number of students will be 5g similarly for h students there are 10 classes so the total number of h students will be 10h. The total number of students for both g and h students attending Lauren's class is 70. So the equation will be given as:-

5g  +  10h  =  70

Therefore the equation which shows the situation are 8g + 6h = 62 and 5g + 10h = 70.

To know more about expression follow

brainly.com/question/723406

#SPJ1

3 0
2 years ago
Please help with both and leave a small explanation! I wanna double check my answers!
jeka57 [31]

Answer:

(1)Hoops shadow would be 6 ft (2) model would be 3 cms

Step-by-step explanation:

9 / 3 = 3   3 x 2 = 6 ft

15 / 5 =3    3 x 1 = 3 cm

3 0
3 years ago
All help is appreciated! If sin²(32°) +cos² (M) = 1, then M equals?
zaharov [31]

Answer: M=32°

Step-by-step explanation:

The identity sin²(x)+cos²(x)=1 can help us figure out the value of M. You can see that the problem's format fits exactly the identity. Since x is the same in the identity, we know that M=32°.

4 0
3 years ago
I need help on number 2 quickkkkk!!!
Svetlanka [38]

Answer:

80

Procedure in attached file

Hope it helps

7 0
3 years ago
He lifted 100 kilograms and 132.5 kilograms. What was the combined weight of his lifts in grams?
Olegator [25]
So add them together
100+132.5=232.5 kg

kilograms=1000 grams so
232.5kg=1000 times 232.5 grams

232500 grams
7 0
3 years ago
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