2х+3у=4, 2х + 3у= 4 3у+3у = 4 6у = 4 у=2/3 у = 2/3
4х²-9у²=0 4х²= 9у² 2х = 3у 2х = 3у 2х = 2 х = 1
ответ. х = 1, у = 2/3
2x+3y=4
4x^2-9y^2=0
4x^2=9y^2
x=3y/2
2*3y/2+3y=4
3y+3y=4
6y=4
y=2/3
x=3*2/2*3=1
Otvet: x=1 y=2/3
