Mark M. answered • 08/07/19
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New to Wyzant
lAl = A if A≥ 0 and lAl = -A if A < 0
Since x < y, x - y < 0
So, lx - yl = -(x - y) = y - x
Alisa T.
asked • 08/07/19Simplify: |x-y| if x< y
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