26VelezTiana 26VelezTiana

18-03-2021
Mathematics

contestada

what is 3x- 12 = -2x - 42 ??? I know it equals -6 cause i did it on a caculator but how do i explain my answer ??

Respuesta :

simmyndlabu57 simmyndlabu57

18-03-2021

Answer

-6

Step-by-step explanation:

3x-12=-2x-42

(Collect like terms together:)

3x+2x=-42+12

(when the number crosses the equal sign it changes signs)

5x/5=-30/5

(We devided by 5 cause we looking for x not 5x)

Answer Link

Otras preguntas

simplify this fully x+x+y×y

discuss the political economic impact of the Great Depression in Germany in the 1930

Which best describes the Boston tea party of 1773

It took six people four days to build a wall. a) Working at the same rate, how long would it have taken eight people to build the wall? b) Working at the same r

The probability of spinning blue on a spinner is 0.3. If the spinner is spun 40 times, estimate how many times you would spin blue. A 3-sided sninner is snun 10

Radhika loves to eat sweets and chocolates. She asks her mother for the same before and after every meal. Explain if this is an example of bad eating habit or h

-2/3×3/5+5/2-3/5×1/6

3. What concept is sometimes contradictory to beneficence because many medical treatments carry the risk of doing harm? euthanasia autonomy non-malfeasance info

Which expression is equivalent to

Darwin believed that emotional expressions began as ________ that came to have evolutionary value because they ________. Select one: a. physiological reactions;