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Q: If x equals 3 and 3 equals y then?

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X+3=Y X=Y-3 X-Y=-3

x=4 y=x+3 y=4+3 y=7

3

y = -x + 3 y - 3 = -x -y + 3 = x Therefore x = 3 - y

It is x = 2 and y = 1

6

(x, y) = (-3, -3) or (3, 3)

It depends on how y depends on x.

y-x=3

x= z2 - 3

x - y = -3 -y = -x - 3 y = x + 3 y-int. = 3 x-int. = -3

0

x+y=3 y=3-2x so x+3-2x=3 so x=0 0+y=3 so y=3

x=3 y=3.5

If x+y = 3 and y times x = 2 then y = 1.

x equals -12 and y equals 1/4 of -12, so y = -3.

x = 3 and 1/3 y = -1/3

y = xz where x = 3, z = 10 y = 3 x 10 = 30

X - Y = 2 When X = 3 you have 3 - Y = 2 Moving Y to RHS: 3 = Y + 2 Moving 2 to LHS: 1 = Y

x = 5, y = -2

10

the Y in the sentence X plus Y equals 5 is Y=3 or 2 if the X is 2 or 3

y equals 2

x=5 y=-3

x=7 y=4