Question

Resolva:
1) 2×+5>12
2)x+9⩽ - 2×+3
3)2(×-5)-3⩾6x+2
4)x+5⩾13
5)x+12<3+4

me ajudem pf!!​

Answer 1

Resposta:

1)2x>12-5

2x>7

x>7/2

2) x+2x≤3-9

3x≤-6

x≤-6/3

x≤-2

3)2x-10-3≥6x+2

2x-6x≥2+13

-4x≥15

4x≤-15

x= -15/4

4) x≥13-5

x≥8

5) x <7-12

x < - 5