Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
Solve this system of equations using the addition method.
x+y=12
xy=4 @Mathematic Solve this system of equations using the addition method.
x+y=12
xy=4 @Mathematic @Mathematics
 2 years ago
 2 years ago
Solve this system of equations using the addition method. x+y=12 xy=4 @Mathematic Solve this system of equations using the addition method. x+y=12 xy=4 @Mathematic @Mathematics
 2 years ago
 2 years ago

This Question is Closed

HeroBest ResponseYou've already chosen the best response.0
Add the two equations togther; y is eliminated. Solve for x: 2x = 16 x = 8 y=4
 2 years ago

MightySmurfBest ResponseYou've already chosen the best response.0
o ok so like for x+y=3 and 2xy+0 i add x+2x which gives me 3x then i add yandy which gives me 0 and then 3 and 0 which is 3 so it would be 3x+0=3
 2 years ago

MightySmurfBest ResponseYou've already chosen the best response.0
that looks wrong i did sumthin wrong
 2 years ago

EigenvectorBest ResponseYou've already chosen the best response.0
what's x+x? what's y+(y)? what's 12+4? 2x+0=16 2x=16 divide by 2. x=8 plug the x back into one of the starting equations.
 2 years ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.