Find (x + y) + (x - y) where x = 3/4 and y=-7/4
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3/4+(-7/4) + 3/4-(-7/4)
-4/7 + 10/4
6/4
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Answered by
1
Answer:
(x + y) + (x - y)
x = 3/4 y = -7/4
= (3/4 + (-7/4)) + (3/4 - (-7/4))
= (3/4 - 7/4) + (3/4 + 7/4)
= -4/4 + 10/4
= 6/4 (divide both numerator and denominator with 2)
= 2/3
Thus, 2/3 is your answer.
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