Patrickdeshawns Patrickdeshawns

18-11-2014
Mathematics

contestada

Two times a number plus three times another number number equals 13.
The sum of the two numbers is 7 . What are the numbers

Respuesta :

18-11-2014

[tex]x-\ first\ number\\y-\ second \ number\\\\ 2x+3y=13\\ x+y=7\ \ -->\ \ x=7-y\\\\ 2(7-y)+3y=13\\ 14-2y+3y=13\\ 14+y=13\\ y=-1\\ x=7+1=8\\\\ Numbers\ are\ -1\ and\ 8.[/tex]

Answer Link

Otras preguntas

what is the answer to 6y + 2 = -4 plz hwelp. (7th grade math)

are the two expressions equivalent?(solve both first) 2w+3w+2(w+5)-6w+2(9w+3)+(38-4w) and 3(5w+18

anyone who gets this right will get a follow on any platform and marked brainliest!

According to émile durkheim, what did mechanical solidarity create?.

A town has a population of 13000 and grows at 4. 5% every year. What will be the population after 13 years, to the nearest whole number?.

Without government approval a japanese military group in 1931 invaded.

The number of potato chips in a bag is normally distributed with a mean of 75 and a standard deviation of 5. Approximately what percent of bags contain between

Why did Henry Gantt suggest that frontline supervisors should receive a bonus for each of their workers who completed their assigned daily tasks

A super easy question about conflict (man vs. man, man v.s. self, man v.s society, man vs. nature) Passage: mother stormed into my room with her report card in

The length of a side of an equilateral triangle is x-4.5 . Create a model of an equilateral triangle, making sure to label the lengths of each side. Add images