Fireball610
Fireball610 Fireball610
  • 21-12-2016
  • Mathematics
contestada

7x+5y=19 -7x-2y=-16 What is the solution of the system

Respuesta :

iwillneversmile iwillneversmile
  • 22-12-2016
 7x+5y= 19
 -7x-2y=-16  add because its a negative 
-----------------
3y=3
y=1 
 then you find x by placing 1 for y

7x+5(1)=19
7x=14 
x=2           

(2,1)
Answer Link

Otras preguntas

what is the answer to 3p-5>2p+p-7
Which mathematical sentence most accurately expresses the information in the problem below? Crystal has 100 compact discs that she wants to put into boxes each
Need help solving this proportion....x\4 = 5\7
What is 47% of 164 while using a fraction to estimate the percent of each number.
how to undo the operation and explain why it works a. adding 28 b. dividing by 17
$10 + ($6-n) if n =$3 What is the final product Of this mathematical question?
Doing monomials. How do you do this one?
What is the initials for sodium chloride
$10 + ($6-n) if n =$3 What is the final product Of this mathematical question?
which expression stands for 32 more than a number d