 | | | Solving system by Eliminatation!
Asked Jun 21, 2011, 08:09 PM
—
15 Answers -3x-3y=-6
X+6y=-8
Help please...
Thread Summary |
15 Answers
 | Senior Member | |
Jun 21, 2011, 08:22 PM
| | | If you double the first equation, you can then add the two equations together and the y-terms will cancel. That will allow you to solve for x. Once you know x, you can just substitute its value into either of the equations, and solve for why. | | |  | Junior Member | |
Jun 21, 2011, 08:32 PM
| | | Can to please solve it? | | | | Junior Member | |
Jun 21, 2011, 08:35 PM
| | | Comment on jcaron2's post Quote:
Originally Posted by jcaron2  If you double the first equation, you can then add the two equations together and the y-terms will cancel. That will allow you to solve for x. Once you know x, you can just substitute its value into either of the equations, and solve for why. | can you just solve it please? | | | | Junior Member | |
Jun 21, 2011, 08:37 PM
| | | Comment on jcaron2's post Quote:
Originally Posted by jcaron2 If you double the first equation, you can then add the two equations together and the y-terms will cancel. That will allow you to solve for x. Once you know x, you can just substitute its value into either of the equations, and solve for why. | and thank youu so muccch! | | | | Senior Member | |
Jun 21, 2011, 08:42 PM
| | | I can help YOU solve it, but I can't do your homework FOR you.
It'll just take a second if we work through it together. 
What do you get when you double the first equation? (In other words, multiply every term by two). | | | | Junior Member | |
Jun 21, 2011, 08:43 PM
| | | Comment on jcaron2's post Quote:
Originally Posted by jcaron2 If you double the first equation, you can then add the two equations together and the y-terms will cancel. That will allow you to solve for x. Once you know x, you can just substitute its value into either of the equations, and solve for why. | i got it! thankkkksss so mucccch! | | | | Senior Member | |
Jun 21, 2011, 08:44 PM
| | | Or if you just want to know if you got the right answer, post what you got and I'll tell you if it's right. | | | | Senior Member | |
Jun 21, 2011, 08:45 PM
| | | Good job! | | | | Junior Member | |
Jun 21, 2011, 08:48 PM
| | | Comment on jcaron2's post Quote:
Originally Posted by jcaron2 I can help YOU solve it, but I can't do your homework FOR you.
It'll just take a second if we work through it together. :)
What do you get when you double the first equation? (In other words, multiply every term by two). | i got it! -_- | | |
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