Question

solve l1+2xl≤3 i got (-∞,2]u[1,∞) is this right if its not can you show me how to do it thanks

Answer 1

no it is wrong

i give u a hint

|a|<b

then
-b<a<b

i believe u can do it then

Answer 2

ok what i originally got was -2<x<1 but my professor says that there are ∞ so instead of the 2 it should be -2 right...