{2x+3y=30
{3x-2y=6
Система уравнений

2y = 3х - 6 y = 1,5x - 3 2x + 3( 1,5x - 3 ) = 30 2x + 4,5x - 9 = 306,5x = 39 X = 6 y = 9 - 3 = 6 Ответ ( 6 ; 6 )