Question

2-3x < 30-10x
3-1 /< 4 - 2x

Ajudem, pls.

Answer 1

1 °
2-3x < 30 - 10x
2 -3x + 10x < 30
2 + 7x < 30
7x < 30 - 2
7x < 28
x < 4

2°
3 - 1 < 4 - 2x
2 < 4 - 2x
2 - 4 < 2x
-2 < 2x
-2/2 < X
-1 < X