parallel lines have the same slope
y = 2x+3
slope is 2
m=2 on the parallel line
point slope form of a line
y-y1 =m(x-x1)
y--1 = 2(x--1)
y+1 = 2(x+1)
distribute
y+1 = 2x+2
subtract 1 from each side
y = 2x+1
Choice A
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