Explicación paso a paso:
2) 11x - 20 < 11 + 5 + 8
11x - 20 < 24
11x < 24 + 20
11x < 44.
x < 4
3) 10x - 5 - 4a ≤ 12 - 5a
5 - 4a ≤ 12 - 5a
5 - 4a + 5a ≤ 12
-4a + 5a ≤ 12- 5
a ≤ 12 - 5
a ≤ 7
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Explicación paso a paso:
2) 11x - 20 < 11 + 5 + 8
11x - 20 < 24
11x < 24 + 20
11x < 44.
x < 4
3) 10x - 5 - 4a ≤ 12 - 5a
5 - 4a ≤ 12 - 5a
5 - 4a + 5a ≤ 12
-4a + 5a ≤ 12- 5
a ≤ 12 - 5
a ≤ 7