Question

Alguem sabe o valor de X????

Answer 1

Olá,

x/6 = (x+2)/10

Multiplica cruzado:

10·x = 6·(x+2)
10·x = 6·x+6·2
10·x = 6·x+12
10·x - 6·x = 12
4·x = 12
x = 12/4
x = 3

Answer 2

x/6 = x + 2/10

x • 10 = 6 • (x + 2)

10x = 6x + 12

10x - 6x = 12

4x = 12

x= 12/4

x= 3