Question

a) 5x – 4 = 10
b) 2x +1 < 7
c) 8-1=
Voim​

Answer 1

a)

5x - 4 = 10

5x = 10 + 4

x = 14 / 5 ou x = 2,8

b)

2x + 1 < 7

2x < 7 - 1

x < 6 / 2

x < 3

c)

8 - 1 = 7

Answer 2

Explicação passo-a-passo:

a) 5x-4=10

5x=10+4

5x=14

x=14/5

b)2x+1<7

2x<7-1

2x<6

x<6/2

x<3

c)8-1= 7