CAN SOMEONE CHECK 2 OF MY ANSWERS AND SOLVE 2 OTHERS?

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.


My answers:
1. Step 1 is read all the way through, understand the problem. Step 2 is to make a plan to solve the problem. Step 3 is to carry on that plan. Step 4 is to check ur answer.

2. -5