In the A(x,2)B(-3,-4)C (7,-5) are collinear then what it is x
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collinear means slopes are equal
so y2-y1/x2-x1 = y2-y1/x2-x1
-4-2/-3-x=-5+4/7+3
-6/-3-x=-1/10
-60=3+X
X=-63
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