Let x be the number of pages of the old edition Geometry book

The new edition Geometry book has 2x - 230 = 450 pages

2x = 450 + 230

2x = 680

x = <<340=340>>340 pages

# Answer

340
Question:
A new edition Geometry book has 450 pages which are 230 pages less than twice as many pages as the old edition. How many pages did the old edition Geometry book have?
Answer:
Let's think step by step.

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340
A new edition Geometry book has 450 pages which are 230 pages less than twice as many pages as the old edition. How many pages did the old edition Geometry book have?
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