Решите уравнения,помогите пожалуйста.
а-80= 320+350
590-х=110+260
Х+120=900-540
480+b= 960-150

a - 80 = 320 + 350a - 80 = 670a = 670 + 80a = 750750 - 80 = 320 + 350670 = 670===================590 - x = 110 + 260590 - x = 370x = 590 - 370x = 220590 - 220 = 110 + 260370 = 370===================x + 120 = 900 - 540x + 120 = 360x = 360 - 120x = 240240 + 120 = 900 - 540360 = 360===================480 + b = 900 - 150480 + b = 750b = 750 - 480b = 270480 + 270 = 900 - 150750 = 750

a-80=320+350 a-80=670 A=80+670 A=750  590-x=110+260 590-x=370 X=590-370 X=220  X+120=900-540 X+120=360 X=360-120 X=240  480+b=960-150 480+b=810 b=810-480 b=330