Question

Ajutatimi va rog!!!!!!!!!

Answer 1

2x - 3y = - 1
5x + 6y = 11

4x - 6y= - 2
5x + 6y =  11

9x = 9
x=1
2 ori 1 - 3y = -1
y = 1
( x, y ) = ( 1,1 )

Verificare :
2 ori 1 - 3 ori 1 =  -1
5 ori 1 + 6 ori 1 = 11

-1 = -1
11 = 11

(x,y)=(1,1)
Bafta :3

Answer 2

[tex] \left \{ {{2x-3y=-1} \atop {5x+6y=11}} \right. \rightarrow \left \{ {{-3y=-1-2x} \atop {5x+2*3y=11}} \right. \rightarrow \left \{ {{3y=2x-1} \atop {5x+2(2x+1)=11}} \right. \\ \\ 5x+2(2x+1)=11 \rightarrow 5x+4x+2=11 \rightarrow 9x=11-2 \rightarrow x=1 \\ \\ \\ 3y=2x+1 \rightarrow y= \frac{2x+1}{3} = \frac{2*1+1}{3}= \frac{3}{3}= 1 \\ \\ S= (1; 1) [/tex]