162945:d+3654= 3867
d : 524=35707 : 70
x : 258=98756-39984
(c+4589)-5869=3216
помогите решить плиз

162945 : d + 3654 = 3867162945 : d = 3867 - 3654162945 : d = 213d = 162945 : 213d = 765---------------------------------------d : 258 = 35707 : 70d : 258 = 510,1d = 510,1 * 258d = 131605,8-------------------------------------------------x : 258 = 98756 - 39984x : 258 = 58772x = 58772 * 258x = 15 163 176---------------------------------------------(c + 4589) - 5869 = 3216c + 4589 - 5869 = 3216c = 3216 + 5869 - 4589c = 4496