Question

3 de la II
Imi trebuie pana maine

Answer 1

2x-1|15 => 2x-1={1,3,5,15,-1,-3,-5,-15} 2x={2,4,16,0,-2,-4,-14}

{1,2,8,0,-1,-2,-7}=A-->multimea!

Answer 2

2x-1=15
2x=15+1
2x=16
x=16:2
x=8

X ∈ {-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8}