How to find the slope of a line that is parallel to y equals 2x - 3 and runs through the point(-2,0)

Recognize that parallel lines have the same slope.  Then:

Method 1:  write y = 2x + c and find c from the given information:

y = 2x + c becomes 0 = 2(-2) + c, so that c = 4.  Then y = 2x + 4 (answer)

Method 2:     Slope is 2 and a point on the line is (-2,0):

Use the point-slope formula:  y - 0 = 2(x+2), or y = 2(x+2), or y=2x+4 (ans)

The correct answer is addition

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