WoahhBro4788 WoahhBro4788
  • 03-01-2018
  • Mathematics
contestada

The sum of two numbers is 1. three times the larger number plus two times the smaller number is 18. find the numbers

Respuesta :

kritter1
kritter1 kritter1
  • 03-01-2018
Let x be the larger number and y be the smaller number; 

x+y=1 <--- x=1-y 

3x+2y=18 

3(1-y)+2y=18 
3-3y+2y=18 
-y=18-3 
-y=15
y=-15 

x+y=1 
x-15=1 
x=1+15 
x=16 

Hope I helped :) 
Answer Link

Otras preguntas

Please help me I need this quickly please !
2x - y = 5 x + 3y = 7 What is the value of the system determinant?
Which of the following electron configurations is correct? a. Sc, 1s22s22p63s23p64d14s2 b. Cl, 1s22s22p63s23p5 c. Ca, 1s22s22p63s23p63d2
When coal or oil are burned, some part of it is completely combusted, forming co2; another part is partially combusted, forming co (carbon monoxide); and some r
3. Three years ago, Jane was three times as old as Alice. In two years time, the sum of their ages will be 62. Determine their present ages. (4 mks)
Ted runs from the biology laboratory straight to his therapist's office. he is sweating and fear is etched on his face. he asks the therapist to apologize to hi
When a supreme court justice agrees with the decision reached by the court in a case, but not with the reasons why the court made the decision, they may choose
which is the correct slope
Dawn has just turned 13 years old, and she recently experienced menarche. if dawn becomes sexually active, will she be at risk for pregnancy?
Historically, which age group has been least likely to turn out to vote?