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OlgaM077 [116]
3 years ago
14

What is the first step to solve -2x+5x=9​

Mathematics
2 answers:
Mashutka [201]3 years ago
6 0

Answer:

Step-by-step explanation:

Hello,

You need to group the terms in x

-2 \times x + \times x = (-2+5) \times x = 3 x

And then, you can divide by 3 to find the solution

-2x+5x=3x=9x=9/3=3

Hope this helps

Thepotemich [5.8K]3 years ago
5 0

Answer:

add the x's

You have to combine them

you have to subtract the -2x to the 5x

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I have a big test coming up and i nedd help with this question please :)
svetoff [14.1K]

Answer:

the answer is 7/10

Step-by-step explanation:

5 0
2 years ago
Help asap!!!!!!!!!!!
svlad2 [7]

Answer:

The answer to your question is:

Step-by-step explanation:

12.-

                x² - 6x = 5

                x² - 6x + (3)² = 5 + (3)²

               x² - 6x + 9 = 5 + 9

               (x - 3)² = 14

13.-           x² - 6x = 12

               x² - 6x + (3)² = 12 + (3)²

               x² - 6x + 9 = 12 + 9

              (x - 3)² = 21

              x - 3 = ±√21

             x1 = √21 + 3                     x2 = -√21 + 3

               x1 = 7.58                           x2 = -1.58

14.-           2x² - 24x = - 20            Divide by 2

                x² - 12 x = -10

               x² - 12x + (6)² = - 10 + (6)²

               x² - 12x + 36 = - 10 + 36

              ( x - 6) ² = 26

               x - 6 = ±√26

x1 = √26 + 6                                 x2 = -√26 + 6

x1 = 11.1                                          x2 = 0.9

3 0
3 years ago
A bus has velocity 20 m/s towards east and another bus has velocity 15 m/s in west direction. If they start to move from a point
Mashutka [201]

Answer:

<em>The first bus has covered 2,400 m and the second bus has covered 1,800 m. They are separated by 4,200 m</em>

Step-by-step explanation:

<u>Constant Velocity Motion</u>

A bun has a velocity of 20 m/s towards the east. It means it travels 20 meters each second in that direction. Assuming the east direction is positive, the distance traveled by this bus can be calculated as follows:

X1=20*t

Where t is the time in seconds.

Similarly, the distance traveled by the second bus towards the west is:

X2=-15*t

Note the negative sign because the direction points at the negative reference.

After 2 minutes = 120 seconds have passed, the distance of each bus is

X1= 20*120=2,400 m

X2=-15*120 = 1,800 m

They are separated by 2,400-(-1,800) = 4,200 m

The first bus has covered 2,400 m and the second bus has covered 1,800 m. They are separated by 4,200 m

6 0
3 years ago
What is 959.4 divided by 6​
MrMuchimi

959.4/6=159.9

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5 0
3 years ago
Hep with this please
pishuonlain [190]

Answer:

x = 23

Step-by-step explanation:

6x+19+x = 180

7x = 180 - 19

7x =  161

x = 161/7

x = 23

6 0
2 years ago
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