Question

05- O valor de x tal que 4x - 1/2 = - 2x + 1/3 é:
a) 0
b) 5/16
c) 3
d) 16/5​

Answer 1

Resposta:

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

Multiplicando cruzado fica:

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

12x - 3 = - 4x + 2

12x + 4x = 3 + 2

16x = 5

x = 5/16

letra B)