Variable on both sides

Celebrity A has 400 followers on social media and is gaining 75 followers each day. Celebrity B has 1,000 followers on social media and is losing 25 followers a day. Which equation matches this situation?

• 400+75x=1000-25x

• 400-75x=1000+25x

• 400x+75=1000x-25

• 400x+75=1000+25x

Tags

CCSS.HSA.CED.A.3

Celebrity A has 400 followers on social media and is gaining 75 followers each day. Celebrity B has 1,000 followers on social media and is losing 25 followers a day. Which equation matches this situation? How many days will it take for them to have the same number of followers?

• 12

• -6

• 6

Tags

CCSS.8.EE.C.8C

Ben and his friends are going to play putt-putt. At one location, they can pay $2 for rentals plus $7.50 per game. At another location, it would cost $8 for rentals plus $6 per game. Which equation would match this situation?

• 2x+7.50=6x+8

• 2 +7.50x=8 + 6x

• 2x+7.50x=8x+6x

Ben and his friends are going to play putt-putt. At one location, they can pay $2 for rentals plus $7.50 per game. At another location, it would cost $8 for rentals plus $6 per game. How many games would they have to play in order for either location to cost the same amount?

• 4

• 0.25

• 0

10x+155=-5x+230

• 15

• 3

6x+27=8.25x

• 12

• -12

2.5x+18=3.5x-4

• 22

• -4

• -22

Which of the following shows the equation after the variables have been collected on the left and the constants have been collected on the right?

-2x+13=-7x+28

• -9x=15

• 5x=15

• 5x=41

• -9x=41

Which is the correct simplified version of the expression shown below after combining like terms?

12+3.4x-5.4x-x

• -3x+12

• 9x

• 9.8x+12

• -2x+12

Tags

CCSS.7.EE.A.1

Jodi showed her work to solve the equation -2x+10=14x+2. Which line shows her mistake?

Line 1 -16x+10=2

Line 2 -16x=12

• line 1

• line 2

Tags

CCSS.HSA.REI.A.1