kamelia13015 kamelia13015
  • 23-02-2019
  • Mathematics
contestada

Bonjour pourriez-vous m’aider à résoudre ses équations svp merci ???

Bonjour pourriezvous maider à résoudre ses équations svp merci class=

Respuesta :

WojtekR
WojtekR WojtekR
  • 23-02-2019

[tex]\dfrac{3x+2}{5}-\dfrac{5x-7}{2}=\dfrac{-8x+3}{25}\quad\Big|\cdot 50\\\\\\\\\dfrac{50\cdot(3x+2)}{5}-\dfrac{50\cdot(5x-7)}{2}=\dfrac{50\cdot(-8x+3)}{25}\\\\\\\\10\cdot(3x+2)-25\cdot(5x-7)=2\cdot(-8x+3)\\\\30x+20-125x+175=-16x+6\\\\30x-125x+16x=6-20-175\\\\-79x=-189\quad|:(-79)\\\\\\\boxed{x=\frac{189}{79}=2\frac{31}{79}}[/tex]

Answer Link

Otras preguntas

Is DDT harmful to birds because it prevented them from laying eggs?
What city did the Americans capture without firing a shot?
Michael made a baby quilt that was 3 feet wide. It's perimeter was 16 feet. What was it's area?
What is two thirds of three fourths
According to Freud, human experience was strongly determined by (1 point)
The Jordan River basin is shared by five different nations: Lebanon, Syria, Jordan, Palestine, and Israel. It has been estimated that Israel is consuming up to
Which continents does the Arctic Circle pass through?
73/9 as a mixed number
Three vertices of a rectangle are (–1, 0), (6, 0), and (6, 3). What are the coordinates of the fourth corner point of the rectangle? A. (–1, 3) B. (–1, 6) C
A boundary was set between Canada and the United States as a result of A)The Convention of 1818 B)The Louisiana Purchase C)The Missouri Compromise D) The Monro