Chapter 2 - Real Numbers - 2.3 - Real Numbers and Algebraic Expressions - Problem Set 2.3 - Page 68: 68

$= 2x - 11.2$

1. Expand the algebraic expression: $-8(x - 1.2) +6(x -4.6) +4(x+1.7)$ $= -8x + 9.6 + 6x - 27.6 + 4x + 6.8$ 2. Rewrite the order: $= -8x + 6x + 4x + 9.6 - 27.6 + 6.8$ 3. Use the distributive property and then add/subtract: $= x(-8 + 6 + 4) -11.2$ $= x(2) - 11.2$ $= 2x - 11.2$