Question

Sabendo U=Q,resolva as equações.
a) (x+2)+(x+3)+(x+4)=1
b) 4-2x>3-3x
c)x-5<1-x
d)x-1/2<5/2+3x

Answer 1

a) (x+2)+(x+3)+(x+4)=1 ===>>>
3x = -8 ===>>> x = -8/3

b) 4-2x>3-3x ===>>>
x > -1

c)x-5<1-x ===>>>
2x < 6 ===>>> x < 3

d)x-1/2<5/2+3x ===>>> (MMC)
2x - 1 < 5 + 6x ===>>> -4x < 6 ===>>>
x < -3/2

Respostas: a) x = -8/3; b) x > -1; c) x < 3; d) x < -3/2.
Espero ter ajudado !!!