mwinn33 mwinn33

14-06-2022
Mathematics

contestada

the difference of a number and 15 is multiplied by -3 and the result is -30

Respuesta :

zarampa zarampa

16-06-2022

Answer:

The number is:

25

Step-by-step explanation:

-3(a-15) = -30

-3*a -3*-15 = -30

-3a + 45 = -30

-3a = -30 - 45

-3a = -75

a = -75/-3

a = +25

a = 25

Check:

-3(25-15) = -30

-3*10 = -30

Answer Link

Otras preguntas

What split the Muslim World during the Middle Ages? PLEASE HELP ♥

which area has the most accessible oil reserves?

Analyze what happens to the air pressure as you increase in the altitude. How might this affect athletes who compete at higher altitudes?

Which type of reasoning is used in the following statement? Kids like to play outside. Chase is a kid. Therefore, Chase likes to play outside. A. ideal reasonin

how does the excretory system help the body maintain homeostasis

Which of the following is not true about printmaking? a. There are two main types of printmaking: relief printing and intaglio. b. To create a wood engraving, t

What is (3-4i)^2? In complex numbers?

To expand his empire, Tang Taizong primarily relied on his military skills. used his trade relationships. chose loyal friends as officials. won over the peasant

How do you use the guess and check method to solve mathematical sentences

If you were one of the new immigrants who arrived in America in the 1880s, it's most likely that you would have been A. Irish and Protestant. B. German and Luth