Geometry

The midpoint of line AB has coordinates of (5,-1). If the coordinates of A are (2,-3), what are the coordinates of B?

Any help is appreciated!

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2. A(2 , -3) , M(5 , -1) , B(X , Y).

X - 2 = 2(5 - 2),
X - 2 = 6,
X = 6 + 2 = 8.

Y-(-3) = 2(-1 - (-3)),
Y + 3 = 4,
Y = 4 - 3 = 1.

B(8 , 1).

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3. If the midpoint of line segment AB has coordinates (1,-3) and A= (-9,8) then what is the coordinates of B?

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