OpenUp 8th Math 4.4 Review

read and answer the question on the image

Solve: 3(x-4)=12x

• -4/3

• -3/4

• 4/3

• 3/4

What is being done from step a to step b in the equation solution on the image?

• distributive property

• add 6x to each side

• subtract 2 from each side

• multiply each side by 1/11

What is being done from step b to step c in the equation solution on the image?

• distributive property

• add 6x to each side

• subtract 2 from each side

• multiply each side by 1/11

What is being done from step c to step d in the equation solution on the image?

• distributive property

• add 6x to each side

• subtract 2 from each side

• multiply each side by 1/11

What is being done from step d to step e in the equation solution on the image?

• distributive property

• add 6x to each side

• subtract 2 from each side

• multiply each side by 1/11

Andre solved an equation, but when he checked his answer he saw his solution was incorrect. He knows he made a mistake, but he can’t find it. Look at the image to see where Andre’s mistake is.

• in the transition from the 1st to the 2nd line

• in the transitions from the 2nd to the 3rd line

• in the transitions from the 3rd to the 4th line

• in the transition from the 4th to the 5th line

Andre solved an equation, but when he checked his answer he saw his solution was incorrect. He knows he made a mistake, but he can’t find it. What is the correct solution to the equation? Type the number only

(a)