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If de=4x-1,ef=9,and df =9x-22,find the value of x

User Luis Jose
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1 Answer

5 votes

Answer:

df=de+ef


9x - 22 = 4x - 1 + 9


9x - 4x = - 1 + 9 + 22


5x = 30


(5x)/(5) = (30)/(5)


x = 6

User Sultan Ali
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