Question

na equacao 2k+1/2 - k-3/6 = 1/3 o valor de k e igual a:

a-4

b-1/2

c- -4/5

d-5/3

Answer 1

2k+1/2 - k-3/6 = 1/3 ==> *(6) mmc

3(2k+1) - 1(k-3) = 2

6k+3 -k+3 = 2

5k +6 = 2

5k = 2 -6

5k = -4

k = -4/5