{10(y+2)+3(x-5)=x-5 {25(y+2)+3(x-5)=-10

{10(y+2)+3(x-5)=x-5 {25(y+2)+3(x-5)=-10 10y+20+3x-15=x-5 25y+50+3x-15=-10 10y+3x+5=x-5 25y+3x+35=-10 10y+2x=-10 25y+3x=-45 5y+x=-5 /*(-3) 25y+3x=-45 -15y-3x=15 25y+3x=-45 ______________ 10y=-30 y=-3 5*(-3)+x=-5 -15+x=-5 x=10 x=10 y=-3