- #1
thomas576
- 20
- 1
2(x-5)-(3x+3)<x-7
2x-10--3x-3<x-7
-1x-13<x-7
0<6
i can't find the rules for when the sign changes my son is convinced that if you only divide then the sign changes to > i don't remember and he of course has his book in school
2x-10--3x-3<x-7
-1x-13<x-7
0<6
i can't find the rules for when the sign changes my son is convinced that if you only divide then the sign changes to > i don't remember and he of course has his book in school