Saved Bookmarks
| 1. |
ax + by - a + b= 0 , bx - ay - a - b =0Solve for x and y |
| Answer» ax + by = a - b multiply by abx - ay = a + b multiply by b{tex}\\Rightarrow{/tex} x = 1{tex}\\therefore{/tex} a + by = a - bby = -by = -1{tex}\\therefore{/tex} x = 1y = -1 | |