DStacy01 DStacy01
  • 02-10-2014
  • Mathematics
contestada

Three times a number plus twice another is 10, while their sum is 10, Find the numbers

Respuesta :

mariamikayla
mariamikayla mariamikayla
  • 02-10-2014
[tex]3a+2b=10 \\\\ a+b=10 \\\\ \boxed{a=10-b} \\\\ 3(10-b)+2b=10 \\\\ 30-3b+b=10 \\\\ -b=10-30 \\\\ -b=-20 \\\\ \boxed{b=20} \\\\ a=10-20 \\\\ \boxed{a=-10}[/tex]
Answer Link

Otras preguntas

Character is a firm observance of core ethical values O True O False​
what is mole and how to we calculayte it and find a atomic mass from that in chemistry
अपूर्ण भूत कालको प्रयोग गरि पोहोर सालको लकदाउन को समयको बयान गर​
4. Consider the following statement made in Chapter 4 of the text: "... consider that if the nucleus were the size of a grape, the electrons would be about one
what the purpose of ww2? answer that question if u want, but tell me a joke or your song
Cn+1^1+Cn+2^2 = Cn+1^3 PLease help me with thís question
witch is a better approximation of the square root of twenty 4.5 and 4.47 explain because i dont know?​
What is the value of this expression? 27+4×(8−4) Enter your answer in the box. 41
10 points 8. Which causes are to blame for the rising cost of health care? (SATA SELECT ALL THAT APPLY) * Health-related lawsuits Technological advances An agin
what the purpose of ww2? answer that question if u want, but tell me a joke or your song