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Substitution
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Find x if y = 3
x = 0
Oops!
Okay!
Find x if y = 18
x = 3
Oops!
Okay!
find x when y = 16
x = 6
Oops!
Okay!
Find x when y = 0
x = -2
Oops!
Okay!
Find y if x = 6
y = 33
Oops!
Okay!
Find y if x = -5
y = -6
Oops!
Okay!
Find y if x = 3
y = 10
Oops!
Okay!
Find y if x = -3
y = -12
Oops!
Okay!
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