Question

1)Resolva as seguintes inequações:

a)2x + 10 < x +12

b)2.(x+8) < x +32

c) 10x +25 < 5x +100

(pfvv me ajuda preciso entregar isso ainda hoje) ​

Answer 1

A) 2x + 10 < x + 12

2x - x < 12 - 10
x < 2

B) 2(x + 8) < x + 32

2x + 16 < x + 32
2x - x < 32 - 16
x < 16

C) 10x + 25 < 5x + 100

10x - 5x < 100 - 25
5x < 75
x < 75/5
x < 15