You can put this solution on YOUR website! 3x-5y=19
x-5y=13
X=5Y+13 NOW REPLACE X IN THE FIRST EQUATION WITH(5Y+13) & SOLVE FOR Y.
3(5Y+13)-5Y=19
15Y+39-5Y=19
10Y=19-39
10Y=-20
Y=-20/10
Y=-2 ANS.
X=5(-2)+13
X=-10+13
X=3 ANS.
PROOF:
3*3-5(-2)=19
9+10=19
19=19
(