ok i know this is easy just forgot a few rules along the way the expression is
1 + 1 = 2
2 - t 2+t
how would i go about this i thought you make it into 2 equations that = 2 ie.
1 =2 , 1 = 2 then solve for t in both but i came up with 3 and -3
when i checked my work they did not equat 2 but -2