Question

O valor de X na igualdade: x-1/2 - 4-3x/6 = 1/3 - x é:

a) 2/3
b) 3/4
c) 3/2
d) 4/3

Answer 1

x - 1/2 - 4 - 3x/6 = 1/3 - x
x + x - 3x/6 = 1/3 + 1/2 + 4
2x - 3x/6 = 1/3 + 1/2 + 4
2x - 3x/6 = 5/6 - 4
6.2x - 6.3x/6 = 6.5/6 + 6.4
12x - 3x = 5 + 24
9x = 29
x = 29/9
x = 3,222...