1. 3x - 1 = 2

2. 7 - 4x = 19

3. 3(3j-4)=15

4. 4(3y+2)+2y=50

5. 3(2p+2)+18=72

6. 2+8u=37+3u

7. What is the algebraic expression for "the sum of n and 9"?

8. What is an algebraic expression for "the difference of r and 3"?

9. What word phrase can you use to represent "5x + 2"?

10. Evaluate u + xy, for u = 18 , x = 10 , and y = 8.