GeekyElement GeekyElement

03-12-2017
Mathematics

contestada

Solve the system of linear equations by substitution. Check your solution.

4x + 2y = 8
6x - 4y = 5

Respuesta :

lesliekolleroxrkcf lesliekolleroxrkcf

03-12-2017

8x+4y=16
6x-4y=5
_________
14x. =21
x = 3/2
4*(3/2)+2y=8
6+2y=8
2y=2
y=1

4*(3/2)+2*1=8 check
6(3/2)-4*1=5 check

Answer Link

Otras preguntas

Which group of words is a sentence fragment? A. Wolves are wild animals. B. Wolves and dogs are close relatives. C. A wolf can run up to 40 miles a day. D. As a

Which answer does not correct this run-on sentence? They went to the bowling alley, we went to the skating rink. A. They went to the bowling alley, but we went

the Crimean war was the result of a struggle between ... and the ... ?

find the slope of the line that goes through the points (-15,70) and (5,10) and (2,7) and (6,3).

Which words make up the adverb phrase in the sentence? Which words does the adverb phrase modify? Many early cities were built around forts. A. Many early; modi

Is a persons DNA to be more similar to the DNA of his or her biological parents or to the DNA of one of his or her first counsins? Explain your answer.

Sally sold 1000987 hot dogs 3 years how many will she sell in 6 years

I need help on these questions PLEASE

What letter comes next S,M,H,D,M

. Which choice is correctly punctuated? My roots can be traced; to Britain and Ireland. Genealogical research in Britain and Ireland is relatively easy; records