### Home > CC3 > Chapter 7 > Lesson 7.2.4 > Problem 7-74

7-74.

Solve each of the following equations. Homework Help ✎

0.15(

*w*+ 2) = 0.3 + 0.2*w*3(2

*x*− 7) = 5*x*+ 17 +*x*

Multiply through the equation to get rid of the fractions.

Use a common denominator of 24:

4*x* + 16 = 6*x* − 8

Combine like terms and solve for *x*.

*x* = 12

Multiply (*w* + 2) by 0.15 and combine like terms.

Multiplying by 100 could also be useful to eliminate the decimals.

*w* = 0

Refer to (a) for help.

Find a common denominator and solve for *x*.

Refer to (b) for help.