The mistake is that the multiplication operator takes precedence over the addition operator, meaning you first have to perform the multiplication of the two numbers before you perform the addition of the two numbers.
So, instead of doing: 8 x (4+4) = 8 x 8 = 64
You should do: (8 x 4) + 4 = 32 + 4 = 36
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Y-8x plus 9y equals 10y-8x.
8x-7 plus 2x equals 6 plus 5x plus 2?
-8x - 10 - 20 = -8x - 30
8x + -2 = 10 8x = 12 x = 1.5
2x^2 + 8x + 3 = 0