20170632 20170632

23-02-2020
Mathematics

contestada

What is the solution to this equation?
x- 12 = 9
O A. =-3
O B. x=21
O c. x= 3
O D. x=-21

Respuesta :

Аноним Аноним

23-02-2020

Answer:

[tex]B. x=21[/tex]

Step-by-step explanation:

[tex]x- 12 = 9 \\ x = 12 + 9 \\ x = 21[/tex]

Answer Link

hbkalyssa hbkalyssa

23-02-2020

B.
You add +12 to both sides and the left side cancels out, leaving X. Then 9+12=21. So X=21

Answer Link

Otras preguntas

If Gary bikes at an average speed of 6 miles per hour, how many hours will it take him to bike 84 miles? A. 19 hours B. 17 hours C. 14 hours D. 12 hours

Select the correct answer. In 2008, the exchange rate between euros and US dollars was 1 euro for $1.55. In 2019, the rate was 1 euro for $1.12. Based on this i

Write the correct name of the Cr2O3 Compound

Between what two elements does hydrogen bonding occur?

write a paragraph about invisible Man lesson

in explaining the behavior of others, the fundamental attribution error referes to our tendency to underestimate the impact of

Complete the sentences with a / an / the and #(no article). All children should get an equal ________ education.

When Abrams born his parent put $2000 in account that you did 1.2% interest compounded semi annually when he turns 16 in Spain to give him the money to buy a ca

which waterfall is located near the border between germany and switzerland

Students were given a list of seven elements and asked to identify the four elements that are most abundant in biomolecules. Which table correctly identifies th