### Home > CC2 > Chapter 6 > Lesson 6.2.1 > Problem6-59

6-59.

Simplify each expression.

1. $8.4(7x-4)+3.9$

Distribute the $8.4$ across the parentheses.
$58.8x-33.6+3.9$

Combine like terms.

$58.8x-29.7$

1. $\frac{1}{4}+\frac{4}{5}\left(\frac{3}{4}x-1\frac{1}{9}\right)$

Follow the steps in part (a). Remember that in order to add fractions, they must have a common denominator.