Answer:
y= 2x +5
Step-by-step explanation:
First solve for y, so that you have the equation in slope intercept form.
x+2y=6
2y= -x +6
2y/2 = -x/2+ 6/2
y= -x/2 + 3
now you know the first line. The slope of the second is an inverse of the first.
So m= 2
now use the point to find your y intercept
y= 2x +b
3 = 2(-1) + b
3= -2+b
3+2= -2+2 +b
5=b
