linear combinations, help please! |
linear combinations, help please! |
*xcaitlinx* |
![]()
Post
#1
|
Guest ![]() |
well i was absent on the day that my math class learned this concept, and my teacher expects me to "teach myself" out of the textbook over the weekend...which is impossible. it's about using linear combinations (aka "elimination method") to solve the linear system. if i give an example, could someone please explain how to solve it? thanks
![]() directions: use linear combinations to solve the linear system. ex: 2 - 7x = 9y 2y - 4x = 6 the only thing i figured out is that you have to switch around the equation to make it look similar--so it would be: 9y - 7x = 2 2y - 4x = 6 thanks again for the help =) |
|
|
![]() ![]() |