monkey36 monkey36
  • 04-09-2016
  • Mathematics
contestada

can someone help me do this ?how do i solve for Y

can someone help me do this how do i solve for Y class=

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 04-09-2016
7x+5y=20
move y by itself

7x+5y=20
minus 7x from both sides
7x-7x+5y=20-7x
0+5y=20-7x
5y=20-7x
divide both sides by 5
5y/5=(20-7x)/5
y=(20-7x)/5
y=(20/5)+(-7x/5)
[tex]y=4- \frac{7x}{5} [/tex]

Answer Link

Otras preguntas

40,583 in word format .......................................................... ......... .........
What are the Factors of -18
20 nails for every 5 shingles 12 nails for every three singles are the ratios equivalent
Convert 43.9 grams to centigrams. 439 centigrams 43,900 centigrams 439,000 centigrams 4,390 centigrams
How does the position of a digit in a number relate to its value
what's coquettishly in a sentence
how do communist and socialist political theories differ from each other? a: they are totally different because socialism supports a market economy and communi
What is the value of the digit 6 in the number 106,534
what is 90.69 rounded to the nearest tenth
In the following passage, what does commandeer most likely mean? Choose the correct answer. Davey Jones was the sneakiest pirate that ever was, at least accordi