Math, asked by kulbirkaur18b, 11 months ago

21x-42x+9x-12=28x-189-63

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Answered by niksh7891

0

Step-by-step explanation:

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Answered by mannishkr1

0

Answer:

21x-42x+9x-28x=12-189-63

63x+9x-28x=12-126

72x-28x=114

44x=144

22x=72

11x/36

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