206,604 views
32 votes
32 votes
Find the mistake made in the steps to solve the equation below.61 - 1 = -21 + 981 - 1 = 980 = 101. Addition property of equality2. Addition property of equality3. Division property of equalitytoICHA4. SimplificationOA. The justification for step 2 is incorrect and should be the subtraction property of equality.OB. Step 3 is incorrect and should be r = 100OC. Step 2 is incorrect and should be r = 8.OD. The justification for step 3 is incorrect and should be the multiplication property of equality,

Find the mistake made in the steps to solve the equation below.61 - 1 = -21 + 981 - 1 = 980 = 101. Addition-example-1
User Limoragni
by
2.6k points

1 Answer

21 votes
21 votes

We have


6x-1=-2x+9
8x-1=9
8x=10


x=(10)/(8)
x=(5)/(4)

As we can see in the image the mistake was in step 3.

User Sameer Ingavale
by
3.6k points