CPM Homework Help : CC3MN Problem 5-22

CPM Homework Banner

Home > CC3MN > Chapter 5 > Lesson 5.1.2 > Problem 5-22

5-22.

Solve each of the following equations. Be sure to show your work carefully and check your answers.

$2(3x−4)=22$
Hint (a):
Distribute, then simplify.

$6x−8=22$
$6x=30$
Answer (a):
$x=5$

$6(2x−5)=−(x+4)$
Hint (b):
Begin this problem by distributing the 6 and the negative that are outside of the parentheses, then simplify by isolating the variable onto one side of the equation.

$12x−30=−x−4$
$13x−30=−4$
$13x=26$
Answer (b):
$x=2$

$2−(y+2)=3y$
Hint (c) & (d):
Use the same methods outlined in parts (a) and (b) to solve parts (c) and (d). Check your answer.

$3+4(x+1)=159$
Answer (d):
$x=38$

© 2022 CPM Educational Program. All rights reserved.