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Alexandrq2
a fost răspuns

4-x= 2x - 3 <5
dau coronita+ 16 puncte :)

Răspuns :

4-x=2x-3
3x=7
x=7/3

2x-3<5 <=> 2*(7/3)<8 <=>7/3<4 <=>7<12 (adevarat)

In concluzie, x=7/3.
Iakabcristina2
4-x=2x-3 => -3x=-7 => x=7/3
2x-3<5 => 2x<8 => x<4
=>x∈(-∞,4)-{7/3}

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