Question

Resolver. A) -2×+4×-1+3<8 B) 6×+2-8>8×+1 C) 18×<20+2×

Answer 1

Olá, boa noite ☺

Resoluções:

a)

-2x+4x-1+3<8

-2x + 4x < 8 + 1 - 3.

2x < 6.

x < 6/2.

x<3.

b)

6x+2-8>8x+1

6x - 8x > 1 - 3 + 8.

-2x > 6. (-1)

2x < -6.

x < -6/2.

x < -3.

c)

18x<20+2x

18x - 2x < 20.

16x < 20.

x < 20/16 : 4/4 = 5/4.

x < 5/4.

Bons estudos :)