nuramohd
nuramohd nuramohd
  • 13-10-2019
  • Mathematics
contestada

A,x=-5+3y
3x+2y=7
B,x-5=2
2x+y=4

Respuesta :

aduntide
aduntide aduntide
  • 13-10-2019

Answer:

A

[tex]x = 1 \\ y = 2[/tex]

Step-by-step explanation:

[tex]x = - 5 + 3y \\ 3x + 2y = 7 \\ 3( - 5 + 3y) + 2y = 7 \\ - 15 + 9y + 2y = 7 \\ - 15 + 11y = 7 \\ 11y = 7 + 15 \\ 11y = 22 \\ y = 2 \\ 3x + 2(2) = 7 \\ 3x + 4 = 7 \\ 3x = 3 \\ x = 3[/tex]

Answer Link

Otras preguntas

Which poet could be described as part of "The Movement" of the 1950s? a) Thom Gunn b) Dylan Thomas c) Pablo Picasso d) Philip Larkin e) both a and d
Which sentence does not contain any punctuation errors?          A. The assumption is not true, therefore, the conclusion is false.        B. The assumpti
during which stage of a cell's cycle do the replicated chromosomes thicken and become visible?
What is an ordered government?
Using the subject “usted” and the verb in the imperative, tell your fitness instructor three things she or he must do. Then tell your fitness instructor two thi
Which element has the greatest electronegativity? a. Chlorine b. Oxygen c. Sulfur d. Phosphorus e. Fluorine
what is 7/10-14/100 in simplest form
Which element has the greatest electronegativity? a. Chlorine b. Oxygen c. Sulfur d. Phosphorus e. Fluorine
What were the causes and effects of the civil war in russia?
x/x^2-16-7/x^2+5x+4  simplify