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 does rumor Mean Cause I don't know what it means

12.the square root of the negative of negative 9 squared = ? (Note: i = the square root of negative 1 )

Which term means the weight of air measured in units of force per area? A. air pressure B. air viscosity C. relative pressure D. air resistance

What is the participle in this sentence? The purring cat seems content, but it was whining earlier

What expression is equivalent to 7(3x-2) + 4(x+5)

Which words in the sentence are the adverb clause? My sister Alessandra wants to live in sunny south Florida because she enjoys year-round sports. a. to live i

Simplify the following algebraic expressions: -2(x-2b+1/2) Possible answers: A) 2x-4b+1 B) 2x+4b-1 C) -2x-4b-1 D) -2x+4b-1

what is the primary purpose for the receptor proteins located within the cell

elements within a period have the same number of what?

Nagel’s argument that hostility or aggression should be directed at its true object means that which of the following would probably not be permissible? (Points