jawab yahh nanti poinya di kasih banyak lohh

7/8 + 1/2 x 0,4 - 2 1/8
= 7/8 + ( 1/2 x 0,4 ) - 17/8
= 7/8 - 17/8 + 0,2
= -10/8 + 2/5
= -5/4 + 2/5
= -25/20 + 8/20
= -17/20. mudah-mudahan bermanfaat.