Question 176008
y=2x+4
y=-1/2x+3/2
2x+4=-1/2x+3/2
2x+1/2x=3/2-4
2.5x=-2.5
x=-2.5/2.5
x=-1 ans.
y=2*-1+4
y=-2+4
y=2 ans.
Proof:
2=-1/2*-1+3/2
2=+1/2+3/2
2=4/2
2=2