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Subtract 9 from each side. ( subtraction; both sides )
X + 9 = 20
X + 9 - 9 = 20 - 9
X = 11
-----------------check in original equation
11 + 9 = 20
20 = 20
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What is the correct math operation needed to solve 122 plus 12 equals 134?
Addition=^^=
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http://authors.library.caltech.edu/25030/7/05_Calc1_Chapter2w.pdf visit.
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What is the correct math operation needed to solve 122 plus 12 equals 134?
Addition=^^=
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Is the second equation the result of a valid operation on the first If so what is the operation 9 - 7x squared plus x equals 9 and the second equation is x - 7x squared equals 0.?
http://authors.library.caltech.edu/25030/7/05_Calc1_Chapter2w.pdf visit.
