Решите график функции 2(3х+2у)+9=4х+21 2х+10=3-(6х+5у)

2(3х+2у)+9=4х+21 2х+10=3-(6х+5у) 2(3х+2у)+9=4х+212х+10=3-6х-5у 8х=-5у-72(3х+2у)+9=4х+21 х=-0,625у-0,8756х+4у+9=4х+21 х=-0,625у-0,8752х + 4у=12 х=-0,625у-0,8752(-0,625у-0,875) + 4у=12 х=-0,625у-0,875-1,25у +4у =12+ 1,75 х=-0,625у-0,8752,75у= 13,75 у= 5х= -0,625*5-0,875 у=5х=-4 Ответ: (-4;5)