### Home > ACC7 > Chapter 9 Unit 6 > Lesson CC2: 9.1.3 > Problem9-49

9-49.

Simplify these expressions.

1. $(x+3.5)2$

$2x+7$

1. $23+5x-(7+2.5x)$

Distribute the subtraction sign to the terms inside the parentheses, and then combine like terms. See part (c) for a worked example.

1. $3x+4.4-2(6.6+x)$

$3x+4.4-2(6.6+x)$

Remember to distribute the negative inside the parentheses.

$3x+4.4-13.2-2x$

Combine like terms by adding or subtracting the constants.

$x-8.8$