Решите 2 примера пожалуйста
13 2x - 3y = 7 log4(3x + y) = 2 2x - 3y = 7 3x + y = 16 6x - 9y = 21 6x + 2y = 32 -11y = -11 y = 1 x = 5 (5,1) 14 x^2 <= 9 <br>-3 <= x <= 3<br> lg(x+1) > 0 x+ 1 > 1 x+ 1 > 0 - ОДЗ x > 0 itogo 0(0,3]