Question

$a) \: 2x + 5 \leqslant 9 = \\ \\ \\ b) \: 2( \times + 1) - 4 < x - 1 =$
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Answer 1

a)2x+5≤9

2x≤9-5

2x≤4

x≤4/2

x≤2

b) 2(x+1)-4<x-1

2x+24<x-1

2x-x<-24-1

x<-25