Question

Garis y=x-3 dan 2x+3y=1 berpotongan dititik

Answer 1

Y=x-3
2x+3y=1
2x+3(x-3)=1
2x+3x-9=1
5x=10
x=2
y=x-3
y=2-3
y=-1

berpotongan di titik (2,-1)

Answer 2

Y=x-3
2x+3y=1
2x+3(x-3)=1
2x+3x-9=1
5x(x=2)=5x2=10
y=x-3
y=2-3
y=1