а. y = 172-74 y = 98
b. 2х = 66-18 2х = 48 х=48:2 х=24
в, 35z = 331-86 35z = 245 z=245:35 z=7
г, 2m = 127+45 2m = 172 m=172:2 m=86
д, 3p = 233-120+97 3p=210 p=210:3=70
а. y = 172-74 y = 98
b. 2х = 66-18 2х = 48 х=48:2 х=24
в, 35z = 331-86 35z = 245 z=245:35 z=7
г, 2m = 127+45 2m = 172 m=172:2 m=86
д, 3p = 233-120+97 3p=210 p=210:3=70