Question

3)
Resolva as equações:
a)4(x +8) = 40
b)- (x + 10) = - 2x - 60
c)3.(x - 1) - 2.(x + 3) + 5.(2-x) = -7
d)3.(2 - 4).(x - 1) – 3) +2.(x - 1) =0​

Answer 1

Resposta:

a) 2

b)-70.

c)-3

d)0,75