Question

Resolva as Inequaçoes do 1 grau

a)2.(X-1) > 18
b)3.(X+5) < 35
c)25X > 125
d)7X < 21​

Answer 1

Explicação passo-a-passo:

2.(x-1) > 18

2x - 2 > 18

2x > 18 + 2

2x > 16

x > 16/2

x > 8

3.(x+5) < 35

3x + 15 < 35

3x < 35 - 15

3x < 20

x < 20/3

25x > 125

x > 125/25

x > 5

7x < 21

x < 21/7

x < 3