A1. 4(x+2) - 3(5-x) - x - 3 = 4x + 8 - 15 + 3x - x - 3 = 6x - 10
A2. 3(x+3) - 4(3-x) - x(4+3) - 3 = 3x + 9 - 12 + 4x - 4x - 3x - 3 = -6
A3. 5(x+4) - (5-x) - x - 3 = 5x + 20 - 5 + x - x - 3 = 5x + 12
A4. 4(x+1) - 5(5-x) - x(5+4) - 1 = 4x + 4 - 25 + 5x - 5x - 4x - 1 = -22
A5. 2(x+2) - 5(4-x) - x(5+2) - 3 = 2x + 4 - 20 + 5x - 5x - 2x - 3 = -19
A6. 4(x+1) - 4(3-x) - x - 5 = 4x + 4 - 12 + 4x - x - 5 = 7x - 13
A7. 2(x+4) - (2-x) - x(1+2) - 1 = 2x + 8 - 2 + x - x - 2x - 1 = 5
A8. x + 4 - 2(5-x) - x - 4 = x + 4 - 10 + 2x - x - 4 = 2x - 10
A9. x + 5 - (2 - x) - x(1+1) - 1 = x + 5 - 2 + x - x - x - 1 = 2
A10. 5(x+1) - 2(5-x) - x - 3 = 5x + 5 - 10 + 2x - x - 3 = 6x - 8