18(x+14)=378
16(4x-26)=224
9(152-7x)=927

1. 18х+252=378      18х=378-252       18х=126 х=72.64х-416=22464х=224+41664х=640Х=103.1368-63х=927-63х=927-1368-63х=-441Х=7

1) 18(Х+14)=378Х+14=378 : 18Х+14=21Х=21-14Х=72)16(4х-26)=2244х-26=224/164х-26= 14 4х=14+264х=40  х=103)9(152-7х)=927    152-7х=927/9152-7х=1037х=152-1037х=49х=7