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Anonymous
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Blaise Jerde ∙
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It is a linear equation in a single variable, x.
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x=1
x^2 +9 =x^2 -9 9=-9 No solution
The value of x that satisfies -9 multiplied by x equals 1 is x = -1/9.
x + 5 - 2x = 9 -x = 4 x = -4
5. Just do 9 minus 4. 5 plus 4 equals 9