Question

Numerele naturale solutii ale inecuatiei 3(x-3)+7 mai mic sau egal 2(x+1)-3 sunt.....? va rog ajutati-ma dau si coronita ajutati-ma !! urgentttttt...

Answer 1

3(x-3)+7
3x-9+7
3x=-7+9
3x=2
x=3:2
x=1,5

2(x+1)-3
2x+2-3
2x=3-2
2x=1
x=2

inecuatia 1 < inecuatia 2

Answer 2

3(x-3)+7 ≤ 2(x+1)-3
3x-9+7 ≤ 2x+2-3
3x-2 ≤ 2x-1
3x-2x ≤ -1+2
x ≤ 1
x∈ {0,1}
S={0,1}