Question

Resolva as equações:

A) -3 (3x - 42)= 2 (7x - 52)


B) x + 1 - x = 1
2 5 2

C) x + 3 + x + 2 = - 1
2 3 2


D) 3 + x - ( 1 - x ) = x - 1
2 4


E) 3x-1 - 4x+2 - 2x - 4 = x - 5
2 4 3 6


F) 2 (x - 1 ) + 3 ( 1 + x ) = 1 - x - 1
3 2 2 3

Answer 1

Resposta:

a)-9×+126=14×-104

-9×-14×=-104-126

-23×=-22

×=22/23