Question

calcule o valor de "x" em cada item.


a) 3 + x = 0


b) 23 x + 2 = 2


c) 12 - 7 + 4 x = 25


d) 5 x - 3 x = 30


e) 4 x + 10 = 45 - 3 x

coloque os calculos

Answer 1

a) x= -3

b) 23x= 2 -2

23x=0

c)4x = 25 -12 +7

4x = 20

x= 5