Simplify the following expressions. If needed, sketch a model in the space provided. 7. 8. 9. 2x + 4 5 + 3x 2x 3 + 5 x x – – – 10. 11. 12. 3x + 2 2x 2x + 1 + 3 5 + 4 3 – – –2x –
Simplify the following expressions. If needed, sketch a model in the space provided. 7. 2x + 4 – x 8. x – 5 + 3x 9. 2x – 3 + 5 10. 3x + 2 – 2x 11. 2x + 1 + 3 – 5 12. –2x + 4 – 3