Question

a)2a+3<a-4
б)3-2b>5-в

Answer 1

а.
2а+3<a-4
2a-a<-4-3
a<-7, a∈ (-∞; -7)
b.
3-2b>5-b
-2b+b>5-3
-b>2 |  * -1
b< - 2
b∈ (-∞; -2)