Fred F. answered • 07/14/15
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(a+4+5-2a)/2 =4.5
-a+9=9
a=0
(2b-3+b+8)/2=2.5
3b+5=5
b=0
Zakiya K.
asked • 04/22/15find the values of a and b
Two points with the coordinates K (a+4, 2b-3) and M (5-2a, b+8) have a midpoint with the coordinates M(4.5, 2.5)
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