Question

Himpunan penyelesaian dari 1/3 (x + 3) = 1/4 (3x - 1) adalah... a.{3}. b. {2}. c. {1}. d. {0}

Answer 1

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

Answer 2

Kpk 3&4 = 12
[1/3(x+3)=1/4(3x-1)]12
4x+12=9x-3
4x-9x=-3-12
-5x=-15
x=3
x={3}