if x=-2/3 and y= 1/4 find (x+y) + (x-y)
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Answer:
-16 / 12
Step-by-step explanation:
x+y = -2/3 + 1/4
LCM = 12
= -8/12 + 3/12
= -5/12
x-y = -2/3 - 1/4
LCM = 12
= -8/12 - 3/12
= -11/12
∴ (x+y) + (x-y) = (-5/12) + (-11/12) = -16/12
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