jordynboutwell9 jordynboutwell9

04-05-2020
Mathematics

contestada

One number is 3 less than a second number. Twice the second number is 15 less than 5 times the first. Find the two numbers.

Respuesta :

mysticchacha mysticchacha

05-05-2020

Answer:

7 and 10

Step-by-step explanation:

let x and y be our unknown numbers

x = y - 3

2 y = 5x - 15

....

2y = 5 ( y - 3) - 15

2y = 5y - 15 - 15

-3y = -30

y = 10

x = 10 - 3 = 7

Answer Link

Otras preguntas

What is the change in internal energy if 70 J of heat is added to a system and the system does 30 J of work on the surroundings? Use AU = Q-W. A. -40 J B. -100

tRNA carries these organic compounds to MrNa for proteins to be synthesised

If f(x + 2) = 2x + 3 then find f-'(4).

The vertices of pentagon PQRST are P(9, 7), Q(9, 3), R(3, 3), S(3, 7), and T(6, 9). Graph the pentagon and find the length of side PQ

Find an expression which represents the sum of (-8x+7y)(−8x+7y) and (2x-2y)(2x−2y) in simplest terms.

Harry and Hanson were partners in a firm sharing profits and losses in the ratio 3:2. Their capital was $300,000 and $150,000 respectively and they were entitle

The area of the rectangle shown is 66 m2. 4m x m Work out the missing length x.

write on a debate against the topic information technology in Nigeria is still a mirage

Please can someone help!!AssociezChoose the appropiate word from the drop down menu for each clue.passer par le parcbavarderboirealler au gymnasedépenser de l'a

Find x and y Show all the work