bluetray765 bluetray765
  • 24-01-2019
  • Mathematics
contestada

I need help with systems of Equations

x+2y=7

3x-2y=-3

Respuesta :

Ammimochi
Ammimochi Ammimochi
  • 24-01-2019

Solve for x in x + 2y = 7

x = 7 - 2y

Substitute x = 7 - 2y into 3x - 2y = -3

21 - 8y = -3

Solve for y in 21 - 8y = -3

Substitute y = 2 into x = 7 - 2y

Therefore,

x = 1

y = 3

Answer Link

Otras preguntas

How is the process of fertilization in animals like the process that takes place in plants? A. A sperm cell and an egg cell combine to form an embryo. B. Sperm
what is 5.50 x (20 + 18.50)?
Why did the public fear early unions
A box has sides with these measures: length 10 cm, width 8 cm, height h cm. If the volume is 400 cm3 , find the measure of the height. You may use the equation
y=63x^6+275 x=30 solve for y
A number decreased by negative three is equal to -40. Write an equation and find the number.
Which one of the following statements correctly defines active site? a.The active site is a site on the enzyme molecule where specific substrate molecules bind.
the two main types of fermentation are called what
translate each equation into verbal sentence. g+10=3g 2q+4q=20 4 (a+b)=9a 8_6x=4+2x S (squared)-3 (squared)=2b
If a person has memory B cells against a certain pathogen, the person is.. a) likely to develop that disease b) much less likely to develop the disease a second