" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b, nilai x dan y dari 5x+2y=-3 dan 7x+8y=4 berturut turut adalah -1,57 dan -1,23, jadi nilai x-y= -1,57-(-1,23)= -1,57+1,23= -0,34
that's all