martinezava980
martinezava980 martinezava980
  • 23-01-2022
  • Mathematics
contestada

Ria solves the equation 5 + 3r = 4 + 4r and gets r = r. She concludes that the equation has infinitely many solutions. What is the correct solution? What mistake did Ria make?​

Respuesta :

hello51147 hello51147
  • 23-01-2022

Answer:

5 + 3r = 4 + 4r

5 - 4 = 4r - 3r

1 = r

The correct answer is r = 1.

Answer Link

Otras preguntas

A 1200 kg vehicle initially travelling at 50. km/h experiences an air resistance of 5000 N and road friction of 2200 N. The wheels deliver a force of 7500 N to
what are the differences between a trumpet and trombone?
After decaying for 48 hours, l/16 of the original mass of a radioisotope sample remains unchanged. What is the half-life of this radioisotope?
60% of what number is 72?
Which one of the following terms is most closely associated with interjections? A. Action B. Emotion C. Qualification D. Description
what is airbrushing? could you help me?
In the stomach,a. liquids are absorbedb. bile acids dissolve the fats in foodc. food is converted to chymed. nutrients are absorbed through capillaries
Easy I just don't understand math help?
I am factor of 48, I am bigger than 4 square. I am smaller than 5. WHAT IS THE MYSTERY NUMBER
(8-2i)(5+i) A.38-18iB. 38C. 40+2iD. 42-2iE. 42