108
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1 and 3
9X = 12X - 9 subtract 12X from each side -3X = -9 divide each side by -3 ( remember, dividing negative by negative number = positive number ) X = 3 check 9(3) = 12(3) - 9 27 = 27 checks
It is: 122-4*(9*-2) = 216
The answer to -12x minus 17 equals negative 89 is x equals 6.
(2x + 3)(2x + 3)