purtlebaughh purtlebaughh
  • 22-09-2018
  • Mathematics
contestada

0.75x-0.5x=-3 solve and check the solution

Respuesta :

gmany
gmany gmany
  • 22-09-2018

[tex]0.75x-0.5x=-3\\\\(0.75-0.50)x=-3\\\\0.25x=-3\ \ \ \ \ \ |\text{multiply both sides by 4}\\\\4\cdot0.25x=(4)(-3)\\\\1x=-12\to\boxed{x=-12}\\\\check:\\\\L=(0.75)(-12)-(0.5)(-12)=-9+6=-3=R\\\\CORRECT[/tex]

Answer Link

Otras preguntas

829 rounded to the nearest ten and hundred is
compare and contrast lenin and stalin
number #2and number #3
Ultimately the controversial case of Roe v. Wade, that involves the issue of abortion, is a right to privacy case. True or false
put alliance and Iroquois Confederacy in a sentence
How would you prepare 3.5 L of a 0.9M solution of KCl? A. Add 23 g of KCl to a 3.5 L container; then add enough water to dissolve the KCl and fill the co
The function below shows the number of car owners f(t), in thousand, in a city in different years t: f(t) = 0.25t2 - 0.5t + 3.5 The average rate of change of f(
Which one of the following provides clues to how igneous rocks were formed? A. color B. textures C. streaks D. luster
which groups of people made up the largest social class in early civilizations
Which of the following describes the process of U.S. mobilization after the country entered the war? Mobilization was quick because there were so many leftove