How we write it in algebra

How we write it in algebra first add a' ld then 15 30; Or v can 2nd then add.'il ion to easy to see th at we first. actual numbe •s, it operations car •not e them in algei 'ra, •tions which ke I hus. another, we can su tt and add. For example, 108 + (25 (108+25) —15 = We should be a bit careful here. To compute number subtracted should be less than the n For example, look at this problem: 25+10-15 To do this, we cannot opst subtract 15 from I In algebra (x + y) = x (V'i*z) , for all numbert4 with y. Z, Using these ideas, try to do these problems and paper: (135-73)-27 2 (298 - 4.5) - 3.5 (128 + 79) - 29 (298 + 4.5) - 3.5 149 +3 2 Subtracting amd adding