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If 2x y = 10 and x = 3, what is x - y

Answer Posted / s.rajendran

Given:
2x +y = 10
x = 3

Solution:
if x = 3, then
2(3) +y = 10,
5 + y = 10,
therefore, y = 10-5 and y = 5.

therefore x - y = 3 - 5 = -2

Y = -2.

Is This Answer Correct ?    3 Yes 9 No



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