G8

Copyright © Swun MathCopyright © Swun Math Grade 8 Unit 4 Lesson 4 P TE^

Challenge Problems

Directions: Solve.

1. 2x + 6 = 4x + 8

Solution:

x= ─ 1

2. 3x + 9 = 6x ─ 12

Solution:

x=7

Extension Activity

* MP1: Make sense of the problem and persevere in solving it.

* MP4: Apply mathematics in everyday life.

Prove that the following equation has infinitely many solutions. Do this by giving the

variable m three different values and solving the equations three times using each value

at one time.

7m + 3 = 4m + 3 + 3m