2 years ago

Sprawdz, ktora liczba spelnia rownanie: -2x+7=-6x-5 . Ktora jest dobra odpowiedzia -3, 3 -2 czy 2 ? Prosze pomuszcie :'(

Mathematics

1 answer:

schepotkina [342]2 years ago

7 0

Answer:

x= -3

Step-by-step explanation:

hello :

-2x+7=-6x-5

-2x+7+6x=-6x-5 +6x

4x+7=-5

4x+7-7=-5-7

4x= -12

x= -12/4

x= -3

You might be interested in

How do you do this?? <br> explain it well please!

aleksley [76]

Group like terms together. We'll get 4x on the left side of our equation and 16 on the right side. Then 4x = 16, and x = 4 (answer)

5 0

3 years ago

Find the diffrence between temperature -30 degrees c and 70 degrees c?

andreyandreev [35.5K]

One is colder than the other.
Hope this helps :)

4 0

3 years ago

Read 2 more answers

Whats the square root of 1/5 minus the square root of 5

I am Lyosha [343]

You have to simplify the 1/5 first.
Then simplify the square root of 1 to equal 1
Then rationalize the denominator
Then simplify

8 0

3 years ago

What is the value of x? round the answer to the nearest tenth. the diagram is not drawn to scale.

Zepler [3.9K]

It would also be 60°
B

8 0

3 years ago

Read 2 more answers

Someone help w pre-algebra, smth about proportional data

inessss [21]

Answer:

The answer is no because for 1 hour he gets 20 dollars and for 2 hours he gets 30$ (which is less for working 2 hours). So, if you multiply 2 hours with 20 dollars, you should get 40, not 30. So therefore, it is not proportional. And same for 3 hours: multiply 3 with 20 to get 60, not 50.

6 0

2 years ago

Read 2 more answers