Question

Resolva as inequações:
D) 2x +5<28+30<150
E)3x+60<120
F)2x
G)2x-16<36
H)5x-60>180
I)2x+12>72

Answer 1

Resposta:

E) x < 20

G) x < 26

H) x > 48

X > 30

Explicação passo-a-passo:

E) 3x +60 < 120

3x < - 60 + 120

3x < 60

X < 60/3

X < 20

G) 2x - 16 < 36

2x < 36 + 16

2x < 52

X < 52/2

X < 26

H) 5x - 60 > 180

5x > 180 + 60

5x > 240

X > 240/5

X > 48

I) 2x + 12 > 72

2x > 72 - 12

2x > 60

X > 60/2

X > 30