Without any plus or minus signs or an equality sign the given terms can't be considered to be an equation.
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2y = 4x - 16 5y = 4x + 8 Subtract the first equation from the second: 3y = 24 so that y = 8 Substitute this into the first equation: 16 = 4x - 16 ie 32 = 4x so that x = 8 So the solution is (8, 8)
y = (x + 2)2 andy = (2x)2(x-2)2 + (y-16)2 = 0
16
Without an equality sign the given expression can't be considered to be an equation and so therefore no solution is possible.
{-1,7}