Question

a) x/2+2/3=1
b) x/2×2/3=1
c) x/2÷2/3=1

Answer 1

Boa noite Magda

a)  

x/2 + 2/3 = 1
3x/6 + 4/6 = 6/6

3x + 4 = 6 
3x = 2

x = 2/3 

b) 

(x/2)*(2/3) = 1
x/3 = 1

x = 3

c)

(x/2)/(2/3) = 1
(x/2)*(3/2) = 1
3x/4 = 1
3x = 4

x = 4/3