Answer :
10x+3y=19
y=2x+5
10x+3(2x+5)=19
x=1/4
y=2*1/4+5
y=11/2
(x,y)= (1/4,11/2)
10*1/4+3*11/2=19
11/2=2*1/4+5
19=19
5.5=5.5
The answer is (x,y)=(1/4,11/2)
y=2x+5
10x+3(2x+5)=19
x=1/4
y=2*1/4+5
y=11/2
(x,y)= (1/4,11/2)
10*1/4+3*11/2=19
11/2=2*1/4+5
19=19
5.5=5.5
The answer is (x,y)=(1/4,11/2)