1. What are Polya's 4 steps? Write an equation for the following problems and then solve. 2. Ten times a number added to five is nine times the number. 3. Twice the difference of a number and three is the sum of that number and four. 4. Three times a number is two times the difference of that number and one.

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A: I am attaching an image so that you understand each and every step.

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