19.9k views
0 votes
Error Analysis You and a friend are doing math homework together. You have to solve the

equation 5x + 4x - 68 = 34 - 8x. Your friend arrives at the incorrect answer x = -2. Find the correct
value of x. Then find the error your friend possibly made.
HELP PLEASE ASAP

User Beetle
by
8.2k points

2 Answers

3 votes

Answer:

x= 6

Explanation:

5x + 4x - 68 = 34 - 8x

First Combine Like Terms

9x - 68 = 34 - 8x

Add 8 On Both Sides

17x - 68 = 34

Add 68 On Both Sides

17x= 102

Divide By 17

x = 6

Check Your Solution

5(6) + 4(6) - 68 = 34 - 8(6)

30 + 24 - 68 = 34 - 48

54 - 68 = 34 - 48

-14 = -14

User TheBigBadBoy
by
8.4k points
2 votes

Answer: x=6

Explanation:

User Somnath Musib
by
7.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories