The first one is : x=3/2 y +21/2 the second one is:  x=1/3 y +−7/ 6

y= 10   2x-3y=212x=21+3yx= (21/2 +3/2 y) -6(21/2+3/2y)+2y=7126/2+18/2y+2y=7     sorry I need to leave now

Only authorized users can leave an answer!

If you are not satisfied with the answer or you can’t find one, then try to use the search above or find similar answers below.