-27x+220=-5x — 7a=-310+3a — -2x+16=5x-19- 25-3b=9-5b — 3+11y=203+y-

-27x+220=-5x; 7a=-310+3a; -2x+16=5x-19; 25-3b=9-5b; 3+11y=203+y;

     25-3b=9-5b

    7a=-310+3a

     

     

     

    -7x=-35

    x=10

    10y=200

    -2x+16=5x-19

     

    3+11y=203+y

    -22x=-220

    x=5

    4a=-310

    2b=-16

  • -27x+220=-5x

    y=20

  • -27х+5х=-220
    -22х=-220
    Х=220:22
    Х=10
  • a=-77.5

    b=-8