Question 509227
Find x if the line through (-2,4) and (x,7) has a slope of 2/9.
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Slope, m, is the diffy/diffx = 2/9
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2/9 = (4-7)/(-2-x) = 3/(2+x)
2(2+x) = 3*9
4+2x = 27
x = 23/2