помогите плиз!!!!


(4,5-х)×5,8=8,7

(4,5-х)*5,8=8,74,5-х=1,5х=4,5-1,5х=3

(4,5-х)*5,8=8,74,5-х=8,7:5,84,5-х=1,5-х=1,5-4,5-х=-3х=3___________________________(4,5-3)*5,8=8,71,5*5,8=8,78,7=8,7