решить уравнения:
(139-x)+28=114
238:(x-2)=14
48:(x+3)=4
7(123-4x)=749

(139-х)+28=114139-х=114-28139-х=86х=139-86х=53238:(х-2)=14х-2=238:14х-2=17х=17+2х=1948:(х+3)=4х+3=48:4х+3=12х=12-3х=97*(123-4х)=749123-4х=749:7123-4х=1074х=123-1074х=16х=16:4х=4

(139-x)+28=114139-x=114-28-x=86-139x=53238:(x-2)=1414(x-2)=23814x-28=23814x=238+28x=266/14x=1948:(x+3)=44(x+3)=484x+12=484x=36x=97(123-4x)=749861-28x=749-28x=-112x=4